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प्र: Two passenger trains start at the same hour in the day from two different stations and move towards each other at the rate of 16 kmph and 21 kmph respectively. When they meet, it is found that one train has traveled 60 km more than the other one. The distance between the two stations is ? 5149 0

उत्तर : 4. "444 kms"
व्याख्या :
Answer: D) 444 kms Explanation: 1h ----- 5 kms? ------ 60 kms Time = 12 hrs Relative Speed = 16 + 21 = 37 kmph T = 12 hrs D = S x T = 37 x 12 = 444 kms.

प्र: In an exam, a candidate secured 504 marks out of the maximum mark of 'M'. If the maximum mark 'M' is converted into 800 marks, he would have secured 384 marks. What is the value of 'M' ? 3884 0

उत्तर : 4. "None of the above"
व्याख्या :
Answer: D) None of the above Explanation: 504/M = 384/800 (504 x 800) / 384 = M M = 1050

प्र: Who has become the first cricketer to score 10,000 runs in T20 cricket ? 1853 0

उत्तर : 3. "Chris Gayle"
व्याख्या :
Answer: C) Chris Gayle Explanation:

प्र: If a trader sold two cars each at Rs. 325475 and gains 12% on the first and loses 12% on the second, then his profit or loss percent on the whole is ? 3781 0

उत्तर : 1. "1.44% loss"
व्याख्या :
Answer: A) 1.44% loss Explanation: SP of each car is Rs. 325475, he gains 12% on first car and losses 12% on second car.In this case, there will be loss and percentage of loss is given by = [(profit%)(loss%)]/100 = (12)(12)/100 % = 1.44%

प्र: 64 boys and 40 girls form a group for social work. During their membership drive, the same number of boys and girls joined the group. How many members does the group have now, if the ratio of boys to girls is 4:3 ? 6457 0

उत्तर : 1. "168"
व्याख्या :
Answer: A) 168 Explanation: Let us say x boys and x girls joined the group. (64 + x)/(40 + x) = 4/3 192 + 3x = 160 + 4x => x = 32 Number of members in the group = 64 + x + 40 + x = 104 + 2x = 168.

प्र: The average weight of a group of boys is 30 kg. After a boy of weight 35 kg joins the group, the average weight of the group goes up by 1 kg. Find the number of boys in the group originally ? 3479 0

उत्तर : 3. "4"
व्याख्या :
Answer: C) 4 Explanation: Let the number of boys in the group originally be x.Total weight of the boys = 30xAfter the boy weighing 35 kg joins the group, total weight of boys = 30x + 35So 30x + 35 + 31(x + 1) = > x = 4.

प्र: If three eighth of a number is 141. What will be the approximately value of 32.08% of this number ? 1831 0

उत्तर : 4. "120"
व्याख्या :
Answer: D) 120 Explanation: K x 3/8 = 141 => K = 376 376 x 32.08/100 = 120

प्र: If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball (in sq.cm) is ? 1621 0

उत्तर : 4. "444 kms" व्याख्या :Answer: D) 444 kms Explanation: 1h ----- 5 kms? ------ 60 kms Time = 12 hrs Relative Speed = 16 + 21 = 37 kmph T = 12 hrs D = S x T = 37 x 12 = 444 kms.

प्र: In an exam, a candidate secured 504 marks out of the maximum mark of 'M'. If the maximum mark 'M' is converted into 800 marks, he would have secured 384 marks. What is the value of 'M' ? 3884 05b5cc6ebe4d2b4197774ee9b

उत्तर : 4. "None of the above" व्याख्या :Answer: D) None of the above Explanation: 504/M = 384/800 (504 x 800) / 384 = M M = 1050

प्र: Who has become the first cricketer to score 10,000 runs in T20 cricket ? 1853 05b5cc6ebe4d2b4197774ee96

उत्तर : 3. "Chris Gayle" व्याख्या :Answer: C) Chris Gayle Explanation:

प्र: If a trader sold two cars each at Rs. 325475 and gains 12% on the first and loses 12% on the second, then his profit or loss percent on the whole is ? 3781 05b5cc6ebe4d2b4197774ee78

उत्तर : 1. "1.44% loss" व्याख्या :Answer: A) 1.44% loss Explanation: SP of each car is Rs. 325475, he gains 12% on first car and losses 12% on second car.In this case, there will be loss and percentage of loss is given by = [(profit%)(loss%)]/100 = (12)(12)/100 % = 1.44%

प्र: 64 boys and 40 girls form a group for social work. During their membership drive, the same number of boys and girls joined the group. How many members does the group have now, if the ratio of boys to girls is 4:3 ? 6457 05b5cc6ebe4d2b4197774ee7d

उत्तर : 1. "168" व्याख्या :Answer: A) 168 Explanation: Let us say x boys and x girls joined the group. (64 + x)/(40 + x) = 4/3 192 + 3x = 160 + 4x => x = 32 Number of members in the group = 64 + x + 40 + x = 104 + 2x = 168.

प्र: The average weight of a group of boys is 30 kg. After a boy of weight 35 kg joins the group, the average weight of the group goes up by 1 kg. Find the number of boys in the group originally ? 3479 05b5cc6ebe4d2b4197774ee6e

उत्तर : 3. "4" व्याख्या :Answer: C) 4 Explanation: Let the number of boys in the group originally be x.Total weight of the boys = 30xAfter the boy weighing 35 kg joins the group, total weight of boys = 30x + 35So 30x + 35 + 31(x + 1) = > x = 4.

प्र: If three eighth of a number is 141. What will be the approximately value of 32.08% of this number ? 1831 05b5cc6ebe4d2b4197774ee73

उत्तर : 4. "120" व्याख्या :Answer: D) 120 Explanation: K x 3/8 = 141 => K = 376 376 x 32.08/100 = 120

प्र: If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball (in sq.cm) is ? 1621 05b5cc6ebe4d2b4197774ee69

उत्तर : 1. "100 π" व्याख्या :Answer: A) 100 π Explanation: 4/3 π x 10 x 10 x 10 = 8 x 4/3 π x r x r x rr = 54π x 5 x 5 = 100π

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उत्तर : 4. "444 kms"
व्याख्या :
Answer: D) 444 kms Explanation: 1h ----- 5 kms? ------ 60 kms Time = 12 hrs Relative Speed = 16 + 21 = 37 kmph T = 12 hrs D = S x T = 37 x 12 = 444 kms.

प्र: In an exam, a candidate secured 504 marks out of the maximum mark of 'M'. If the maximum mark 'M' is converted into 800 marks, he would have secured 384 marks. What is the value of 'M' ? 3884 0

उत्तर : 4. "None of the above"
व्याख्या :
Answer: D) None of the above Explanation: 504/M = 384/800 (504 x 800) / 384 = M M = 1050

प्र: Who has become the first cricketer to score 10,000 runs in T20 cricket ? 1853 0

उत्तर : 3. "Chris Gayle"
व्याख्या :
Answer: C) Chris Gayle Explanation:

प्र: If a trader sold two cars each at Rs. 325475 and gains 12% on the first and loses 12% on the second, then his profit or loss percent on the whole is ? 3781 0

उत्तर : 1. "1.44% loss"
व्याख्या :
Answer: A) 1.44% loss Explanation: SP of each car is Rs. 325475, he gains 12% on first car and losses 12% on second car.In this case, there will be loss and percentage of loss is given by = [(profit%)(loss%)]/100 = (12)(12)/100 % = 1.44%

प्र: 64 boys and 40 girls form a group for social work. During their membership drive, the same number of boys and girls joined the group. How many members does the group have now, if the ratio of boys to girls is 4:3 ? 6457 0

उत्तर : 1. "168"
व्याख्या :
Answer: A) 168 Explanation: Let us say x boys and x girls joined the group. (64 + x)/(40 + x) = 4/3 192 + 3x = 160 + 4x => x = 32 Number of members in the group = 64 + x + 40 + x = 104 + 2x = 168.

प्र: The average weight of a group of boys is 30 kg. After a boy of weight 35 kg joins the group, the average weight of the group goes up by 1 kg. Find the number of boys in the group originally ? 3479 0

उत्तर : 3. "4"
व्याख्या :
Answer: C) 4 Explanation: Let the number of boys in the group originally be x.Total weight of the boys = 30xAfter the boy weighing 35 kg joins the group, total weight of boys = 30x + 35So 30x + 35 + 31(x + 1) = > x = 4.

प्र: If three eighth of a number is 141. What will be the approximately value of 32.08% of this number ? 1831 0

उत्तर : 4. "120"
व्याख्या :
Answer: D) 120 Explanation: K x 3/8 = 141 => K = 376 376 x 32.08/100 = 120

प्र: If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball (in sq.cm) is ? 1621 0

उत्तर : 1. "100 π"
व्याख्या :
Answer: A) 100 π Explanation: 4/3 π x 10 x 10 x 10 = 8 x 4/3 π x r x r x rr = 54π x 5 x 5 = 100π