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प्र: If selling price is doubled, the profit triples. Find the profit percent ? 2076 0

उत्तर : 1. "100%"
व्याख्या :
Answer: A) 100% Explanation: Let the C.P be Rs.100 and S.P be Rs.x, Then The profit is (x-100)Now the S.P is doubled, then the new S.P is 2xNew profit is (2x-100)Now as per the given condition; => 3(x-100) = 2x-100By solving, we get x = 200Then the Profit percent = (200-100)/100 = 100Hence the profit percentage is 100%

प्र: How many digits will be there to the right of the decimal point in the product of 85.44 and .08455 ? 1433 0

उत्तर : 4. "6"
व्याख्या :
Answer: D) 6 Explanation: Sum of decimal places = 7. Since the last digit to the extreme right will be zero (since 4 x 5 = 20), so there will be 6 significant digits to the right of the decimal point.

प्र: At a game of billiards, A can give B 20 points in 60 and A can give C 15 points in 60. How many points can C give B in a game of 90 ? 1347 0

उत्तर : 2. "10 points"
व्याख्या :
Answer: B) 10 points Explanation: a:b = 60:40a:c = 60:45c/a x a/b = 45/60 x 60/40 = 45/40 = 90/80So C gives B => 10 points.

प्र: The total of the ages of Ashok, Akbar and Anil is 65 years. What was the total of their ages six years ago ? 1207 0

उत्तर : 4. "47"
व्याख्या :
Answer: D) 47 Explanation: Let their ages be x, y, zHence given that x + y + z = 65Now, six years ago x age is x - 6, y is y - 6 and that of z is z - 6Then the sum of their ages six years ago is (x + y + z) - (6 + 6 + 6) = 65 - 18 = 47

प्र: A rectangular grassy plot 120 m. by 60 m has a gravel path 1.5 m wide all round it on the inside. Find the cost of gravelling the path at 65 paise per sq. metre ? 1650 0

उत्तर : 1. "Rs. 345.15"
व्याख्या :
Answer: A) Rs. 345.15 Explanation: area of the plot = 120m x 60m = 7200 sq.marea of plot excluding gravel = 117m x 57m = 6669 sq.marea of gravel = 7200 sq.m - 6669 sq.m = 531 sq.mcost of building it = 531 sq.m x 65 ps = 34515 psIn Rs. = 34515/100 = Rs. 345.15.

प्र: By investing Rs. 1620 in 8% stock, Michael earns Rs. 135. The stock is then quoted at ? 1500 0

उत्तर : 3. "Rs. 96"
व्याख्या :
Answer: C) Rs. 96 Explanation: Michel earns Rs. 135 by investing Rs. 1620To earn Rs. 8 how much he have to invest...? = (8 x 1620)/135 = Rs. 96

प्र: If you write down all the numbers from 1 to 100, then how many times do you write 4 ? 1408 0

उत्तर : 2. "20"
व्याख्या :
Answer: B) 20 Explanation: 4, 14, 24, 34, 44, 54, 64, 74, 84, 94 => has 11 number of (4's)40, 41, 42, 43, 45, 46, 47, 48, 49 => has 9 number of (4's)So, totally (11 + 9 = 20) number of 4's in 1 to 100.

प्र: In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit ? 1609 0

उत्तर : 3. "70%"
व्याख्या :
Answer: C) 70% Explanation: Let C.P.= Rs. 100. Then, Profit = Rs. 320, S.P. = Rs. 420. New C.P. = 125% of Rs. 100 = Rs. 125New S.P. = Rs. 420. Profit = Rs. (420 - 125) = Rs. 295 Required percentage = (295/420) * 100 = 70%(approx)

प्र: If selling price is doubled, the profit triples. Find the profit percent ? 2076 0

प्र: How many digits will be there to the right of the decimal point in the product of 85.44 and .08455 ? 1433 0

उत्तर : 4. "6"
व्याख्या :
Answer: D) 6 Explanation: Sum of decimal places = 7. Since the last digit to the extreme right will be zero (since 4 x 5 = 20), so there will be 6 significant digits to the right of the decimal point.

प्र: At a game of billiards, A can give B 20 points in 60 and A can give C 15 points in 60. How many points can C give B in a game of 90 ? 1347 0

उत्तर : 2. "10 points"
व्याख्या :
Answer: B) 10 points Explanation: a:b = 60:40a:c = 60:45c/a x a/b = 45/60 x 60/40 = 45/40 = 90/80So C gives B => 10 points.

प्र: The total of the ages of Ashok, Akbar and Anil is 65 years. What was the total of their ages six years ago ? 1207 0

उत्तर : 4. "47"
व्याख्या :
Answer: D) 47 Explanation: Let their ages be x, y, zHence given that x + y + z = 65Now, six years ago x age is x - 6, y is y - 6 and that of z is z - 6Then the sum of their ages six years ago is (x + y + z) - (6 + 6 + 6) = 65 - 18 = 47

प्र: A rectangular grassy plot 120 m. by 60 m has a gravel path 1.5 m wide all round it on the inside. Find the cost of gravelling the path at 65 paise per sq. metre ? 1650 0

प्र: By investing Rs. 1620 in 8% stock, Michael earns Rs. 135. The stock is then quoted at ? 1500 0

उत्तर : 3. "Rs. 96"
व्याख्या :
Answer: C) Rs. 96 Explanation: Michel earns Rs. 135 by investing Rs. 1620To earn Rs. 8 how much he have to invest...? = (8 x 1620)/135 = Rs. 96

प्र: If you write down all the numbers from 1 to 100, then how many times do you write 4 ? 1408 0

उत्तर : 2. "20"
व्याख्या :
Answer: B) 20 Explanation: 4, 14, 24, 34, 44, 54, 64, 74, 84, 94 => has 11 number of (4's)40, 41, 42, 43, 45, 46, 47, 48, 49 => has 9 number of (4's)So, totally (11 + 9 = 20) number of 4's in 1 to 100.

प्र: In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit ? 1609 0

उत्तर : 3. "70%"
व्याख्या :
Answer: C) 70% Explanation: Let C.P.= Rs. 100. Then, Profit = Rs. 320, S.P. = Rs. 420. New C.P. = 125% of Rs. 100 = Rs. 125New S.P. = Rs. 420. Profit = Rs. (420 - 125) = Rs. 295 Required percentage = (295/420) * 100 = 70%(approx)

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प्र: If selling price is doubled, the profit triples. Find the profit percent ? 2076 05b5cc723e4d2b4197774f6af

प्र: How many digits will be there to the right of the decimal point in the product of 85.44 and .08455 ? 1433 05b5cc723e4d2b4197774f69f

उत्तर : 4. "6" व्याख्या :Answer: D) 6 Explanation: Sum of decimal places = 7. Since the last digit to the extreme right will be zero (since 4 x 5 = 20), so there will be 6 significant digits to the right of the decimal point.

प्र: At a game of billiards, A can give B 20 points in 60 and A can give C 15 points in 60. How many points can C give B in a game of 90 ? 1347 05b5cc723e4d2b4197774f69a

उत्तर : 2. "10 points" व्याख्या :Answer: B) 10 points Explanation: a:b = 60:40a:c = 60:45c/a x a/b = 45/60 x 60/40 = 45/40 = 90/80So C gives B => 10 points.

प्र: The total of the ages of Ashok, Akbar and Anil is 65 years. What was the total of their ages six years ago ? 1207 05b5cc723e4d2b4197774f695

उत्तर : 4. "47" व्याख्या :Answer: D) 47 Explanation: Let their ages be x, y, zHence given that x + y + z = 65Now, six years ago x age is x - 6, y is y - 6 and that of z is z - 6Then the sum of their ages six years ago is (x + y + z) - (6 + 6 + 6) = 65 - 18 = 47

प्र: A rectangular grassy plot 120 m. by 60 m has a gravel path 1.5 m wide all round it on the inside. Find the cost of gravelling the path at 65 paise per sq. metre ? 1650 05b5cc723e4d2b4197774f690

प्र: By investing Rs. 1620 in 8% stock, Michael earns Rs. 135. The stock is then quoted at ? 1500 05b5cc723e4d2b4197774f686

उत्तर : 3. "Rs. 96" व्याख्या :Answer: C) Rs. 96 Explanation: Michel earns Rs. 135 by investing Rs. 1620To earn Rs. 8 how much he have to invest...? = (8 x 1620)/135 = Rs. 96

प्र: If you write down all the numbers from 1 to 100, then how many times do you write 4 ? 1408 05b5cc723e4d2b4197774f68b

उत्तर : 2. "20" व्याख्या :Answer: B) 20 Explanation: 4, 14, 24, 34, 44, 54, 64, 74, 84, 94 => has 11 number of (4's)40, 41, 42, 43, 45, 46, 47, 48, 49 => has 9 number of (4's)So, totally (11 + 9 = 20) number of 4's in 1 to 100.

प्र: In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit ? 1609 05b5cc723e4d2b4197774f67c

उत्तर : 3. "70%" व्याख्या :Answer: C) 70% Explanation: Let C.P.= Rs. 100. Then, Profit = Rs. 320, S.P. = Rs. 420. New C.P. = 125% of Rs. 100 = Rs. 125New S.P. = Rs. 420. Profit = Rs. (420 - 125) = Rs. 295 Required percentage = (295/420) * 100 = 70%(approx)

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प्र: If selling price is doubled, the profit triples. Find the profit percent ? 2076 0

प्र: How many digits will be there to the right of the decimal point in the product of 85.44 and .08455 ? 1433 0

उत्तर : 4. "6"
व्याख्या :
Answer: D) 6 Explanation: Sum of decimal places = 7. Since the last digit to the extreme right will be zero (since 4 x 5 = 20), so there will be 6 significant digits to the right of the decimal point.

प्र: At a game of billiards, A can give B 20 points in 60 and A can give C 15 points in 60. How many points can C give B in a game of 90 ? 1347 0

उत्तर : 2. "10 points"
व्याख्या :
Answer: B) 10 points Explanation: a:b = 60:40a:c = 60:45c/a x a/b = 45/60 x 60/40 = 45/40 = 90/80So C gives B => 10 points.

प्र: The total of the ages of Ashok, Akbar and Anil is 65 years. What was the total of their ages six years ago ? 1207 0

उत्तर : 4. "47"
व्याख्या :
Answer: D) 47 Explanation: Let their ages be x, y, zHence given that x + y + z = 65Now, six years ago x age is x - 6, y is y - 6 and that of z is z - 6Then the sum of their ages six years ago is (x + y + z) - (6 + 6 + 6) = 65 - 18 = 47

प्र: A rectangular grassy plot 120 m. by 60 m has a gravel path 1.5 m wide all round it on the inside. Find the cost of gravelling the path at 65 paise per sq. metre ? 1650 0

प्र: By investing Rs. 1620 in 8% stock, Michael earns Rs. 135. The stock is then quoted at ? 1500 0

उत्तर : 3. "Rs. 96"
व्याख्या :
Answer: C) Rs. 96 Explanation: Michel earns Rs. 135 by investing Rs. 1620To earn Rs. 8 how much he have to invest...? = (8 x 1620)/135 = Rs. 96

प्र: If you write down all the numbers from 1 to 100, then how many times do you write 4 ? 1408 0

उत्तर : 2. "20"
व्याख्या :
Answer: B) 20 Explanation: 4, 14, 24, 34, 44, 54, 64, 74, 84, 94 => has 11 number of (4's)40, 41, 42, 43, 45, 46, 47, 48, 49 => has 9 number of (4's)So, totally (11 + 9 = 20) number of 4's in 1 to 100.

प्र: In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit ? 1609 0

उत्तर : 3. "70%"
व्याख्या :
Answer: C) 70% Explanation: Let C.P.= Rs. 100. Then, Profit = Rs. 320, S.P. = Rs. 420. New C.P. = 125% of Rs. 100 = Rs. 125New S.P. = Rs. 420. Profit = Rs. (420 - 125) = Rs. 295 Required percentage = (295/420) * 100 = 70%(approx)