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प्र: A retailer buys product from a shopkeeper at discount of 40% on the list price (marked price) and sells them to the customer at a discount of 25% on the list price.What is his profit percentage ? 2218 0

उत्तर : 4. "25%"
व्याख्या :
Answer: D) 25% Explanation: Let the list price be Rs.100. Therefore, the retailer is buying the products at Rs.60 and selling it to the customer at Rs.75, earning a profit of Rs.15. Therefore, his percentage is = 1560x100 = 25%

प्र: A sales boy is allowed 412 % discount on the total sales made by him plus a bonus of 14% on the sales over Rs.12,000.If his total earnings were Rs.2400, then his total sales(in Rs.) are ? 1422 0

उत्तर : 4. "Rs.50,589.47"
व्याख्या :
Answer: D) Rs.50,589.47 Explanation: Let the total earnings be Rs.x Then 412% of x + 14% of (x-12000) =2400 ⇒92×x100+14×x-12000100=2400 => x=50,589.47

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 ? 3007 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 ? 1890 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: 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 ? 1519 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 : 1829 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: 2064 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? 1976 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: A retailer buys product from a shopkeeper at discount of 40% on the list price (marked price) and sells them to the customer at a discount of 25% on the list price.What is his profit percentage ? 2218 05b5cc7a5e4d2b4197775066f

उत्तर : 4. "25%" व्याख्या :Answer: D) 25% Explanation: Let the list price be Rs.100. Therefore, the retailer is buying the products at Rs.60 and selling it to the customer at Rs.75, earning a profit of Rs.15. Therefore, his percentage is = 1560x100 = 25%

प्र: A sales boy is allowed 412 % discount on the total sales made by him plus a bonus of 14% on the sales over Rs.12,000.If his total earnings were Rs.2400, then his total sales(in Rs.) are ? 1422 05b5cc783e4d2b4197775021e

उत्तर : 4. "Rs.50,589.47" व्याख्या :Answer: D) Rs.50,589.47 Explanation: Let the total earnings be Rs.x Then 412% of x + 14% of (x-12000) =2400 ⇒92×x100+14×x-12000100=2400 => x=50,589.47

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 ? 3007 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 ? 1890 15b5cc783e4d2b41977750214

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 ? 1519 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 : 1829 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: 2064 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? 1976 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: A retailer buys product from a shopkeeper at discount of 40% on the list price (marked price) and sells them to the customer at a discount of 25% on the list price.What is his profit percentage ? 2218 0

उत्तर : 4. "25%"
व्याख्या :
Answer: D) 25% Explanation: Let the list price be Rs.100. Therefore, the retailer is buying the products at Rs.60 and selling it to the customer at Rs.75, earning a profit of Rs.15. Therefore, his percentage is = 1560x100 = 25%

प्र: A sales boy is allowed 412 % discount on the total sales made by him plus a bonus of 14% on the sales over Rs.12,000.If his total earnings were Rs.2400, then his total sales(in Rs.) are ? 1422 0

उत्तर : 4. "Rs.50,589.47"
व्याख्या :
Answer: D) Rs.50,589.47 Explanation: Let the total earnings be Rs.x Then 412% of x + 14% of (x-12000) =2400 ⇒92×x100+14×x-12000100=2400 => x=50,589.47

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 ? 3007 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 ? 1890 1

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 ? 1519 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 : 1829 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: 2064 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? 1976 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.