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प्र: An industrial loom weaves 1.14 meters of cloth every second. Approximately, how much time will it take to weave 52 meters of cloth ? 3012 1

उत्तर : 4. "45.61 sec"
व्याख्या :
Answer: D) 45.61 sec Explanation: Given loom weaves 1.14 mts of cloth in one second then 52 mts of cloth can be weaved by loom in, 1.14 ----- 1 52.0 ------? ⇒521.14= 45.61 sec

प्र: Two trains 85 m and 75 m long are running in same direction with speeds of 62 km/hr and 44 km/hr respectively. In what time will the first train cross the second train ? 1893 1

उत्तर : 2. "32 sec"
व्याख्या :
Answer: B) 32 sec Explanation: Given that, 1st train speed = 62 km/hr 2nd train speed = 44 km/hr Hence the relative speed of two trains is : 62-44 = 18 km/hr = 18×518 m/s = 5 m/s. There fore, the first train crosses the second train i.e (85+75)mts of distance with a speed of 5m/s in, time = distancespeed = 85+755 = 32 sec.

प्र: India's first amphibious bus project has been launched by which state government ? 1718 0

उत्तर : 3. "Punjab"
व्याख्या :
Answer: C) Punjab Explanation:

प्र: The book “The Other One Percent: Indians in America” has been authored by whom? 1633 0

उत्तर : 3. "Sanjoy Chakravorty"
व्याख्या :
Answer: C) Sanjoy Chakravorty Explanation:

प्र: The profit earned by selling an article for Rs.753 is equal to the loss incurred when the same article is sold for Rs.455.What should be the sale price for making 50% profit ? 1523 0

उत्तर : 3. "Rs.906"
व्याख्या :
Answer: C) Rs.906 Explanation: Let C.P =Rs. x Then as given, (753 - x ) = (x - 455) =>2x = 1208 => x = 604 There fore S.P= 150% of 604 => Rs. 150100×604= Rs.906

प्र: If a+b=5 and 3a+2b=20,then (3a+b)will be : 1831 0

उत्तर : 3. "25"
व्याख्या :
Answer: C) 25 Explanation: a+b=5 ...(1) and 3a+2b=20 ...(2) Multiplying (1) by 2 and subtracting from (2), we get : a=10. Putting a=10 in (1), we get : b=-5 Therefore, (3a+b) = 3 x 10+(-5)=30-5=25.

प्र: Three numbers are in the ratio of 3:4:5 and their L.C.M is 3600.Their HCF is: 2069 0

उत्तर : 2. "60"
व्याख्या :
Answer: B) 60 Explanation: Let the numbers be 3x, 4x, 5x. Then, their L.C.M = 60x. So, 60x=3600 or x=60. Therefore, The numbers are (3 x 60), (4 x 60), (5 x 60). Hence,required H.C.F=60

प्र: Three milkmen rented a pasture. A grazed 24 cows for 4 months; B 10 cows for 6 months; C 56 cows for 5 months. If A's share of rent is Rs. 960, find the total rent of the field? 1981 0

उत्तर : 3. "4360"
व्याख्या :
Answer: C) 4360 Explanation: Ratio of shares of A,B,C = (24 x 4) : (10 x 6) : (56 x 5) = 96 : 60 : 280. Let total rent be Rs. x. Then, A's share = Rs.96x436 ∴96x436=960 ⇔x=960×43696=4360 Hence total rent of the field is Rs. 4360.

प्र: An industrial loom weaves 1.14 meters of cloth every second. Approximately, how much time will it take to weave 52 meters of cloth ? 3012 15b5cc783e4d2b41977750219

उत्तर : 4. "45.61 sec" व्याख्या :Answer: D) 45.61 sec Explanation: Given loom weaves 1.14 mts of cloth in one second then 52 mts of cloth can be weaved by loom in, 1.14 ----- 1 52.0 ------? ⇒521.14= 45.61 sec

प्र: Two trains 85 m and 75 m long are running in same direction with speeds of 62 km/hr and 44 km/hr respectively. In what time will the first train cross the second train ? 1893 15b5cc783e4d2b41977750214

प्र: India's first amphibious bus project has been launched by which state government ? 1718 05b5cc783e4d2b4197775020f

उत्तर : 3. "Punjab" व्याख्या :Answer: C) Punjab Explanation:

प्र: The book “The Other One Percent: Indians in America” has been authored by whom? 1633 05b5cc783e4d2b4197775020a

उत्तर : 3. "Sanjoy Chakravorty" व्याख्या :Answer: C) Sanjoy Chakravorty Explanation:

प्र: The profit earned by selling an article for Rs.753 is equal to the loss incurred when the same article is sold for Rs.455.What should be the sale price for making 50% profit ? 1523 05b5cc783e4d2b41977750205

उत्तर : 3. "Rs.906" व्याख्या :Answer: C) Rs.906 Explanation: Let C.P =Rs. x Then as given, (753 - x ) = (x - 455) =>2x = 1208 => x = 604 There fore S.P= 150% of 604 => Rs. 150100×604= Rs.906

प्र: If a+b=5 and 3a+2b=20,then (3a+b)will be : 1831 05b5cc783e4d2b419777501fb

उत्तर : 3. "25" व्याख्या :Answer: C) 25 Explanation: a+b=5 ...(1) and 3a+2b=20 ...(2) Multiplying (1) by 2 and subtracting from (2), we get : a=10. Putting a=10 in (1), we get : b=-5 Therefore, (3a+b) = 3 x 10+(-5)=30-5=25.

प्र: Three numbers are in the ratio of 3:4:5 and their L.C.M is 3600.Their HCF is: 2069 05b5cc783e4d2b41977750200

उत्तर : 2. "60" व्याख्या :Answer: B) 60 Explanation: Let the numbers be 3x, 4x, 5x. Then, their L.C.M = 60x. So, 60x=3600 or x=60. Therefore, The numbers are (3 x 60), (4 x 60), (5 x 60). Hence,required H.C.F=60

प्र: Three milkmen rented a pasture. A grazed 24 cows for 4 months; B 10 cows for 6 months; C 56 cows for 5 months. If A's share of rent is Rs. 960, find the total rent of the field? 1981 05b5cc783e4d2b419777501f1

उत्तर : 3. "4360" व्याख्या :Answer: C) 4360 Explanation: Ratio of shares of A,B,C = (24 x 4) : (10 x 6) : (56 x 5) = 96 : 60 : 280. Let total rent be Rs. x. Then, A's share = Rs.96x436 ∴96x436=960 ⇔x=960×43696=4360 Hence total rent of the field is Rs. 4360.

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प्र: An industrial loom weaves 1.14 meters of cloth every second. Approximately, how much time will it take to weave 52 meters of cloth ? 3012 1

उत्तर : 4. "45.61 sec"
व्याख्या :
Answer: D) 45.61 sec Explanation: Given loom weaves 1.14 mts of cloth in one second then 52 mts of cloth can be weaved by loom in, 1.14 ----- 1 52.0 ------? ⇒521.14= 45.61 sec

प्र: Two trains 85 m and 75 m long are running in same direction with speeds of 62 km/hr and 44 km/hr respectively. In what time will the first train cross the second train ? 1893 1

प्र: India's first amphibious bus project has been launched by which state government ? 1718 0

उत्तर : 3. "Punjab"
व्याख्या :
Answer: C) Punjab Explanation:

प्र: The book “The Other One Percent: Indians in America” has been authored by whom? 1633 0

उत्तर : 3. "Sanjoy Chakravorty"
व्याख्या :
Answer: C) Sanjoy Chakravorty Explanation:

प्र: The profit earned by selling an article for Rs.753 is equal to the loss incurred when the same article is sold for Rs.455.What should be the sale price for making 50% profit ? 1523 0

उत्तर : 3. "Rs.906"
व्याख्या :
Answer: C) Rs.906 Explanation: Let C.P =Rs. x Then as given, (753 - x ) = (x - 455) =>2x = 1208 => x = 604 There fore S.P= 150% of 604 => Rs. 150100×604= Rs.906

प्र: If a+b=5 and 3a+2b=20,then (3a+b)will be : 1831 0

उत्तर : 3. "25"
व्याख्या :
Answer: C) 25 Explanation: a+b=5 ...(1) and 3a+2b=20 ...(2) Multiplying (1) by 2 and subtracting from (2), we get : a=10. Putting a=10 in (1), we get : b=-5 Therefore, (3a+b) = 3 x 10+(-5)=30-5=25.

प्र: Three numbers are in the ratio of 3:4:5 and their L.C.M is 3600.Their HCF is: 2069 0

उत्तर : 2. "60"
व्याख्या :
Answer: B) 60 Explanation: Let the numbers be 3x, 4x, 5x. Then, their L.C.M = 60x. So, 60x=3600 or x=60. Therefore, The numbers are (3 x 60), (4 x 60), (5 x 60). Hence,required H.C.F=60

प्र: Three milkmen rented a pasture. A grazed 24 cows for 4 months; B 10 cows for 6 months; C 56 cows for 5 months. If A's share of rent is Rs. 960, find the total rent of the field? 1981 0

उत्तर : 3. "4360"
व्याख्या :
Answer: C) 4360 Explanation: Ratio of shares of A,B,C = (24 x 4) : (10 x 6) : (56 x 5) = 96 : 60 : 280. Let total rent be Rs. x. Then, A's share = Rs.96x436 ∴96x436=960 ⇔x=960×43696=4360 Hence total rent of the field is Rs. 4360.