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प्र: Adam and Smith are working on a project. Adam takes 6 hrs to type 36 pages on a computer, while Smith takes 5 hrs to type 40 pages. How much time will they take, working together on two different computers to type a project of 120 pages? 1820 0

उत्तर : 4. "8 hrs 34 min"
व्याख्या :
Answer: D) 8 hrs 34 min Explanation: Number of pages typed by Adam in 1 hour = 36/6 = 6 Number of pages typed by Smith in 1 hour = 40/5 = 8Number of pages typed by both in 1 hour = (6 + 8) = 14Time taken by both to type 110 pages = (120 * 1/14) = 847 = 8 hrs 34 min.

प्र: 28 Men and 52 women working together completes a work in 22.5 days. 35 men and 65 women working together on same work will complete it in how many days? 1819 0

उत्तर : 2. "18"
व्याख्या :
Answer: B) 18 Explanation: Clearly total persons are increased in 28/35 :: 52/65 = 4:5. As time is inversely proportional to men, so total time will decrease in the ratio 5:4. Hence, 22.5 x 4/5 = 18 days.

प्र: Today is Varun's birthday. One year, from today he will be twice as old as he was 12 years ago. How old is Varun today ? 1816 0

उत्तर : 1. "25 years"
व्याख्या :
Answer: A) 25 years Explanation: Let varun's age = x yrs. From the given conditions, x+1 = 2(x-12) x = 25 years.

प्र: The Simple interest accrued on an amount of Rs. 2,500 at the end of six years is Rs.1875. What would be the simple interest accrued on an amount of Rs. 6875 at the same rate and Same period? 1816 0

उत्तर : 4. "None of these"
व्याख्या :
Answer: D) None of these Explanation:

प्र: Sripad has scored average of 65 marks in three objects. In no subjects has he secured less than 58 marks. He has secured more marks in Maths than other two subjects. What could be his maximum score in Maths ? 1815 0

उत्तर : 1. "79"
व्याख्या :
Answer: A) 79 Explanation: Assuming Sripad has scored the least marks in subject other than science,Then the marks he could secure in other two are 58 each.Since the average mark of all the 3 subject is 65.i.e (58+58+x)/3 = 65116 + x = 195x = 79 marks. Therefore, the maximum marks he can score in maths is 79.

प्र: There is 50% increase in an amount in 5 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate ? 1815 0

उत्तर : 3. "Rs. 3972"
व्याख्या :
Answer: C) Rs. 3972 Explanation: Let p = Rs. 100. Then, S.I is Rs. 50 and time = 5 years. ∴ R = 100×50100×5= 10% p.a. Now, p = Rs. 12,000 , T = 3 years and R = 10% p.a. C.I. = Rs. 12000×1+101003-1= Rs. 3972

प्र: If Hema walks at 12 km/hr instead of 8 km/hr, she would have walked 20 km more. The actual distance travelled by Hema is ? 1813 0

उत्तर : 1. "40 kms"
व्याख्या :
Answer: A) 40 kms Explanation: Let the actual distance travelled be x km. Then x/8=(x+20)/12 => 12x = 8x + 160=> 4x = 160=> x = 40 km.

प्र: A sum of Rs. 731 is divided among A,B and C, such that 'A' receives 255 more than 'B' and 'B' receives 25% less than 'C'. What is 'C' s share in the amount? 1811 0

प्र: Adam and Smith are working on a project. Adam takes 6 hrs to type 36 pages on a computer, while Smith takes 5 hrs to type 40 pages. How much time will they take, working together on two different computers to type a project of 120 pages? 1820 0

प्र: 28 Men and 52 women working together completes a work in 22.5 days. 35 men and 65 women working together on same work will complete it in how many days? 1819 0

उत्तर : 2. "18"
व्याख्या :
Answer: B) 18 Explanation: Clearly total persons are increased in 28/35 :: 52/65 = 4:5. As time is inversely proportional to men, so total time will decrease in the ratio 5:4. Hence, 22.5 x 4/5 = 18 days.

प्र: Today is Varun's birthday. One year, from today he will be twice as old as he was 12 years ago. How old is Varun today ? 1816 0

उत्तर : 1. "25 years"
व्याख्या :
Answer: A) 25 years Explanation: Let varun's age = x yrs. From the given conditions, x+1 = 2(x-12) x = 25 years.

प्र: The Simple interest accrued on an amount of Rs. 2,500 at the end of six years is Rs.1875. What would be the simple interest accrued on an amount of Rs. 6875 at the same rate and Same period? 1816 0

उत्तर : 4. "None of these"
व्याख्या :
Answer: D) None of these Explanation:

प्र: Sripad has scored average of 65 marks in three objects. In no subjects has he secured less than 58 marks. He has secured more marks in Maths than other two subjects. What could be his maximum score in Maths ? 1815 0

प्र: There is 50% increase in an amount in 5 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate ? 1815 0

उत्तर : 3. "Rs. 3972"
व्याख्या :
Answer: C) Rs. 3972 Explanation: Let p = Rs. 100. Then, S.I is Rs. 50 and time = 5 years. ∴ R = 100×50100×5= 10% p.a. Now, p = Rs. 12,000 , T = 3 years and R = 10% p.a. C.I. = Rs. 12000×1+101003-1= Rs. 3972

प्र: If Hema walks at 12 km/hr instead of 8 km/hr, she would have walked 20 km more. The actual distance travelled by Hema is ? 1813 0

उत्तर : 1. "40 kms"
व्याख्या :
Answer: A) 40 kms Explanation: Let the actual distance travelled be x km. Then x/8=(x+20)/12 => 12x = 8x + 160=> 4x = 160=> x = 40 km.

प्र: A sum of Rs. 731 is divided among A,B and C, such that 'A' receives 255 more than 'B' and 'B' receives 25% less than 'C'. What is 'C' s share in the amount? 1811 0

उत्तर : 4. "None of these"
व्याख्या :
Answer: D) None of these Explanation:

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प्र: Adam and Smith are working on a project. Adam takes 6 hrs to type 36 pages on a computer, while Smith takes 5 hrs to type 40 pages. How much time will they take, working together on two different computers to type a project of 120 pages? 1820 05b5cc76fe4d2b4197774ff58

प्र: 28 Men and 52 women working together completes a work in 22.5 days. 35 men and 65 women working together on same work will complete it in how many days? 1819 05b5cc6bde4d2b4197774d93d

उत्तर : 2. "18" व्याख्या :Answer: B) 18 Explanation: Clearly total persons are increased in 28/35 :: 52/65 = 4:5. As time is inversely proportional to men, so total time will decrease in the ratio 5:4. Hence, 22.5 x 4/5 = 18 days.

प्र: Today is Varun's birthday. One year, from today he will be twice as old as he was 12 years ago. How old is Varun today ? 1816 05b5cc71be4d2b4197774f559

उत्तर : 1. "25 years" व्याख्या :Answer: A) 25 years Explanation: Let varun's age = x yrs. From the given conditions, x+1 = 2(x-12) x = 25 years.

प्र: The Simple interest accrued on an amount of Rs. 2,500 at the end of six years is Rs.1875. What would be the simple interest accrued on an amount of Rs. 6875 at the same rate and Same period? 1816 05b5cc7c7e4d2b41977750d78

उत्तर : 4. "None of these" व्याख्या :Answer: D) None of these Explanation:

प्र: Sripad has scored average of 65 marks in three objects. In no subjects has he secured less than 58 marks. He has secured more marks in Maths than other two subjects. What could be his maximum score in Maths ? 1815 05b5cc74fe4d2b4197774fb21

प्र: There is 50% increase in an amount in 5 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate ? 1815 05b5cc767e4d2b4197774fe01

उत्तर : 3. "Rs. 3972" व्याख्या :Answer: C) Rs. 3972 Explanation: Let p = Rs. 100. Then, S.I is Rs. 50 and time = 5 years. ∴ R = 100×50100×5= 10% p.a. Now, p = Rs. 12,000 , T = 3 years and R = 10% p.a. C.I. = Rs. 12000×1+101003-1= Rs. 3972

प्र: If Hema walks at 12 km/hr instead of 8 km/hr, she would have walked 20 km more. The actual distance travelled by Hema is ? 1813 05b5cc6d9e4d2b4197774e802

उत्तर : 1. "40 kms" व्याख्या :Answer: A) 40 kms Explanation: Let the actual distance travelled be x km. Then x/8=(x+20)/12 => 12x = 8x + 160=> 4x = 160=> x = 40 km.

प्र: A sum of Rs. 731 is divided among A,B and C, such that 'A' receives 255 more than 'B' and 'B' receives 25% less than 'C'. What is 'C' s share in the amount? 1811 05b5cc7c8e4d2b41977750e2c

उत्तर : 4. "None of these" व्याख्या :Answer: D) None of these Explanation:

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त्रुटि की रिपोर्ट करें

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त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

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प्र: Adam and Smith are working on a project. Adam takes 6 hrs to type 36 pages on a computer, while Smith takes 5 hrs to type 40 pages. How much time will they take, working together on two different computers to type a project of 120 pages? 1820 0

प्र: 28 Men and 52 women working together completes a work in 22.5 days. 35 men and 65 women working together on same work will complete it in how many days? 1819 0

उत्तर : 2. "18"
व्याख्या :
Answer: B) 18 Explanation: Clearly total persons are increased in 28/35 :: 52/65 = 4:5. As time is inversely proportional to men, so total time will decrease in the ratio 5:4. Hence, 22.5 x 4/5 = 18 days.

प्र: Today is Varun's birthday. One year, from today he will be twice as old as he was 12 years ago. How old is Varun today ? 1816 0

उत्तर : 1. "25 years"
व्याख्या :
Answer: A) 25 years Explanation: Let varun's age = x yrs. From the given conditions, x+1 = 2(x-12) x = 25 years.

प्र: The Simple interest accrued on an amount of Rs. 2,500 at the end of six years is Rs.1875. What would be the simple interest accrued on an amount of Rs. 6875 at the same rate and Same period? 1816 0

उत्तर : 4. "None of these"
व्याख्या :
Answer: D) None of these Explanation:

प्र: Sripad has scored average of 65 marks in three objects. In no subjects has he secured less than 58 marks. He has secured more marks in Maths than other two subjects. What could be his maximum score in Maths ? 1815 0

प्र: There is 50% increase in an amount in 5 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate ? 1815 0

उत्तर : 3. "Rs. 3972"
व्याख्या :
Answer: C) Rs. 3972 Explanation: Let p = Rs. 100. Then, S.I is Rs. 50 and time = 5 years. ∴ R = 100×50100×5= 10% p.a. Now, p = Rs. 12,000 , T = 3 years and R = 10% p.a. C.I. = Rs. 12000×1+101003-1= Rs. 3972

प्र: If Hema walks at 12 km/hr instead of 8 km/hr, she would have walked 20 km more. The actual distance travelled by Hema is ? 1813 0

उत्तर : 1. "40 kms"
व्याख्या :
Answer: A) 40 kms Explanation: Let the actual distance travelled be x km. Then x/8=(x+20)/12 => 12x = 8x + 160=> 4x = 160=> x = 40 km.

प्र: A sum of Rs. 731 is divided among A,B and C, such that 'A' receives 255 more than 'B' and 'B' receives 25% less than 'C'. What is 'C' s share in the amount? 1811 0

उत्तर : 4. "None of these"
व्याख्या :
Answer: D) None of these Explanation: