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प्र: A boatman can row 3 km against the stream in 20 minutes and return in 18 minutes. Find the rate of current ? 6264 0

उत्तर : 4. "1/2 kmph"
व्याख्या :
Answer: D) 1/2 kmph Explanation: Speed in upstream = Distance / Time = 3 x 60/20 = 9 km/hr. Speed in downstream = 3 x 60/18 = 10 km/hr Rate of current = (10-9)/2 = 1/2 km/hr.

प्र: A boat takes 19 hours for travelling downstream from point A to point B and coming back to a point C which is at midway between A and B. If the velocity of the stream is 4 kmph and the speed of the boat in still water is 14 kmph, what is the distance between A and B ? 6825 1

उत्तर : 1. "180 km"
व्याख्या :
Answer: A) 180 km Explanation: Speed in downstream = (14 + 4) km/hr = 18 km/hr; Speed in upstream = (14 – 4) km/hr = 10 km/hr. Let the distance between A and B be x km. Then, x/18 + (x/2)/10 = 19 ⇔ x/18 + x/20 = 19 ⇒ x = 180 km.

प्र: A sold an article to B at 40% profit and B sold it to C at 50% profit, then what will be profit percent with respect to A ? 2295 0

उत्तर : 2. "110 %"
व्याख्या :
Answer: B) 110 % Explanation: % Profit with respect to A = 40 + 50 + (40 x 50)/100 = 90 + 20 = 110 %.

प्र: Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. In which part of the sentence there is an error ? 1460 0

उत्तर : 3. "To me."
व्याख्या :
Answer: C) To me. Explanation: Replace 'to' by 'with'.

प्र: How many degrees will the minute hand move, in the same time in which the second hand move 5400 ? 2076 0

उत्तर : 1. "90 degrees"
व्याख्या :
Answer: A) 90 degrees Explanation: Minute hand covers 5400/60 = 90°

प्र: What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 58 ? 2335 0

उत्तर : 3. "Rs. 3944"
व्याख्या :
Answer: C) Rs. 3944 Explanation: Let the side of the square plot be 'a' ft.Given area of the plot (a x a) = 289 => a = 17Length of the fence = Perimeter of the plot = 4a = 68 ft.Cost of building the fence = 68 x 58 = Rs. 3944.

प्र: India’s first and longest sea ropeway will be built between which places, as announced on 24 April 2017 ? 1283 0

उत्तर : 1. "Mumbai & Elephanta Island"
व्याख्या :
Answer: A) Mumbai & Elephanta Island Explanation: India’s first and longest ropeway to connect Mumbai with the famous Elephanta Island in the Arabian Sea is planned to be constructed by the Mumbai Port Trust, according to the official report. The 8-km ropeway will begin from Sewri in Mumbai’s east coast and end at Raigad district’s Elephanta Island, globally renowned for Elephanta Caves, a UNESCO World Heritage site.

प्र: A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings ? 3410 0

प्र: A boatman can row 3 km against the stream in 20 minutes and return in 18 minutes. Find the rate of current ? 6264 05b5cc6ebe4d2b4197774ee46

उत्तर : 4. "1/2 kmph" व्याख्या :Answer: D) 1/2 kmph Explanation: Speed in upstream = Distance / Time = 3 x 60/20 = 9 km/hr. Speed in downstream = 3 x 60/18 = 10 km/hr Rate of current = (10-9)/2 = 1/2 km/hr.

उत्तर : 1. "180 km" व्याख्या :Answer: A) 180 km Explanation: Speed in downstream = (14 + 4) km/hr = 18 km/hr; Speed in upstream = (14 – 4) km/hr = 10 km/hr. Let the distance between A and B be x km. Then, x/18 + (x/2)/10 = 19 ⇔ x/18 + x/20 = 19 ⇒ x = 180 km.

प्र: A sold an article to B at 40% profit and B sold it to C at 50% profit, then what will be profit percent with respect to A ? 2295 05b5cc6e9e4d2b4197774ee3c

उत्तर : 2. "110 %" व्याख्या :Answer: B) 110 % Explanation: % Profit with respect to A = 40 + 50 + (40 x 50)/100 = 90 + 20 = 110 %.

प्र: Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. In which part of the sentence there is an error ? 1460 05b5cc6e9e4d2b4197774ee37

उत्तर : 3. "To me." व्याख्या :Answer: C) To me. Explanation: Replace 'to' by 'with'.

प्र: How many degrees will the minute hand move, in the same time in which the second hand move 5400 ? 2076 05b5cc6e9e4d2b4197774ee29

उत्तर : 1. "90 degrees" व्याख्या :Answer: A) 90 degrees Explanation: Minute hand covers 5400/60 = 90°

प्र: What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 58 ? 2335 05b5cc6e9e4d2b4197774ee15

उत्तर : 3. "Rs. 3944" व्याख्या :Answer: C) Rs. 3944 Explanation: Let the side of the square plot be 'a' ft.Given area of the plot (a x a) = 289 => a = 17Length of the fence = Perimeter of the plot = 4a = 68 ft.Cost of building the fence = 68 x 58 = Rs. 3944.

प्र: India’s first and longest sea ropeway will be built between which places, as announced on 24 April 2017 ? 1283 05b5cc6e9e4d2b4197774ee10

प्र: A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings ? 3410 05b5cc6e9e4d2b4197774ee01

उत्तर : 4. "37" व्याख्या :Answer: D) 37 Explanation: 16x + 85 = 17(x + 3) x = 34 + 3 = 37

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प्र: A boatman can row 3 km against the stream in 20 minutes and return in 18 minutes. Find the rate of current ? 6264 0

उत्तर : 4. "1/2 kmph"
व्याख्या :
Answer: D) 1/2 kmph Explanation: Speed in upstream = Distance / Time = 3 x 60/20 = 9 km/hr. Speed in downstream = 3 x 60/18 = 10 km/hr Rate of current = (10-9)/2 = 1/2 km/hr.

उत्तर : 1. "180 km"
व्याख्या :
Answer: A) 180 km Explanation: Speed in downstream = (14 + 4) km/hr = 18 km/hr; Speed in upstream = (14 – 4) km/hr = 10 km/hr. Let the distance between A and B be x km. Then, x/18 + (x/2)/10 = 19 ⇔ x/18 + x/20 = 19 ⇒ x = 180 km.

प्र: A sold an article to B at 40% profit and B sold it to C at 50% profit, then what will be profit percent with respect to A ? 2295 0

उत्तर : 2. "110 %"
व्याख्या :
Answer: B) 110 % Explanation: % Profit with respect to A = 40 + 50 + (40 x 50)/100 = 90 + 20 = 110 %.

प्र: Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. In which part of the sentence there is an error ? 1460 0

उत्तर : 3. "To me."
व्याख्या :
Answer: C) To me. Explanation: Replace 'to' by 'with'.

प्र: How many degrees will the minute hand move, in the same time in which the second hand move 5400 ? 2076 0

उत्तर : 1. "90 degrees"
व्याख्या :
Answer: A) 90 degrees Explanation: Minute hand covers 5400/60 = 90°

प्र: What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 58 ? 2335 0

उत्तर : 3. "Rs. 3944"
व्याख्या :
Answer: C) Rs. 3944 Explanation: Let the side of the square plot be 'a' ft.Given area of the plot (a x a) = 289 => a = 17Length of the fence = Perimeter of the plot = 4a = 68 ft.Cost of building the fence = 68 x 58 = Rs. 3944.

प्र: India’s first and longest sea ropeway will be built between which places, as announced on 24 April 2017 ? 1283 0

प्र: A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings ? 3410 0

उत्तर : 4. "37"
व्याख्या :
Answer: D) 37 Explanation: 16x + 85 = 17(x + 3) x = 34 + 3 = 37