Examsbook | Hand picked material and question banks

प्र: A can do a piece of work in 30 days. He works at it for 6 days and then B finishes it in 18 days. In what time can A and B together it ? 1707 0

उत्तर : 4. "12 6/7 days"
व्याख्या :
Answer: D) 12 6/7 days Explanation: Let 'B' alone can do the work in 'x' days 6/30 + 18/x = 1 => x = 22.5 1/30 + 1/22.5 = 7/90 => 90/7 = 12 6/7 days

प्र: State-run NTPC has set up first electric vehicle charging business and charging stations in __________. 1400 0

उत्तर : 4. "New Delhi"
व्याख्या :
Answer: D) New Delhi Explanation: State-run NTPC said the company has forayed into electric vehicle charging business and has set up first such charging stations at its offices in Delhi and Noida. Adding that the move will push demand for electric vehicles, an official said, "The main objective in setting up the charging points is to be part of promoting clean energy transportation."

प्र: At what time, between 3 o’clock and 4 o’clock, both the hour hand and minute hand coincide each other ? 1693 0

उत्तर : 4. "3:16 4/11"
व्याख्या :
Answer: D) 3:16 4/11 Explanation: Coincide means 00 angle. This can be calculated using the formulafor time A to B means [11m/2 - 30 (A)] Here m gives minutes after A the both hands coincides. Here A = 3, B = 4 0 =11m/2 –30 × 311m = 90 × 2 = 180m= 180/11 = 16 4/11 So time = 3 : 16 4/11

प्र: How many degrees will the minute hand move, in the same time in which the second hand move 4800 ? 6077 0

उत्तर : 1. "80 deg"
व्याख्या :
Answer: A) 80 deg Explanation: As minute hand covers, 60 degrees Minute hand covers 4800/60 = 80°

प्र: P alone can complete a piece of work in 6 days. Work done by Q alone in one day is equal to one-third of the work done by P alone in one day. In how many days can the work be completed if P and Q work together ? 2739 0

उत्तर : 3. "4 (1/2)"
व्याख्या :
Answer: C) 4 (1/2) Explanation: Work done by P alone in one day = 1/6th of the total work done by Q alone in one day = 1/3(of that done by P in one day) = 1/3(1/6 of the total) = 1/18 of the total. Work done by P and Q, working together in one day = 1/6 + 1/18 = 4/18 = 2/9 They would take 9/2 days = 4 (1/2) days to complete the work working together.

प्र: The Van Vihar National Park is loacted in which state ? 1841 0

उत्तर : 2. "Madhya Pradesh"
व्याख्या :
Answer: B) Madhya Pradesh Explanation: The Van Vihar National Park is located in Bhopal, the capital city of Madhya Pradesh. It covers an area of about 4.45 sq.km and is home to Bengal Tiger, Asiatic Lions, wild cats, Indian Wolf, Sloth Bear, Red Fox, Indian Jackal, Wild Dog, Mongoose, Striped Hyena, Mugger Crocodile, Gharial, Snakes, Python, etc.

प्र: If a trader sold two cars each at Rs. 404415 and gains 15% on the first and loses 15% on the second, then his profit or loss percent on the whole is ? 1860 0

उत्तर : 4. "2.25 %"
व्याख्या :
Answer: D) 2.25 % Explanation: SP of each car is Rs. 404415, he gains 15% on first car and losses 15% on second car. In this case, there will be loss and percentage of loss is given by = [(profit%)(loss%)]/100 = (15)(15)/100 % = 2.25%

प्र: Service tax was introduced in India in the year : 1405 0

प्र: A can do a piece of work in 30 days. He works at it for 6 days and then B finishes it in 18 days. In what time can A and B together it ? 1707 0

उत्तर : 4. "12 6/7 days"
व्याख्या :
Answer: D) 12 6/7 days Explanation: Let 'B' alone can do the work in 'x' days 6/30 + 18/x = 1 => x = 22.5 1/30 + 1/22.5 = 7/90 => 90/7 = 12 6/7 days

प्र: State-run NTPC has set up first electric vehicle charging business and charging stations in __________. 1400 0

प्र: At what time, between 3 o’clock and 4 o’clock, both the hour hand and minute hand coincide each other ? 1693 0

प्र: How many degrees will the minute hand move, in the same time in which the second hand move 4800 ? 6077 0

उत्तर : 1. "80 deg"
व्याख्या :
Answer: A) 80 deg Explanation: As minute hand covers, 60 degrees Minute hand covers 4800/60 = 80°

प्र: P alone can complete a piece of work in 6 days. Work done by Q alone in one day is equal to one-third of the work done by P alone in one day. In how many days can the work be completed if P and Q work together ? 2739 0

प्र: The Van Vihar National Park is loacted in which state ? 1841 0

प्र: If a trader sold two cars each at Rs. 404415 and gains 15% on the first and loses 15% on the second, then his profit or loss percent on the whole is ? 1860 0

उत्तर : 4. "2.25 %"
व्याख्या :
Answer: D) 2.25 % Explanation: SP of each car is Rs. 404415, he gains 15% on first car and losses 15% on second car. In this case, there will be loss and percentage of loss is given by = [(profit%)(loss%)]/100 = (15)(15)/100 % = 2.25%

प्र: Service tax was introduced in India in the year : 1405 0

उत्तर : 1. "1994"
व्याख्या :
Answer: A) 1994 Explanation:

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

प्र: A can do a piece of work in 30 days. He works at it for 6 days and then B finishes it in 18 days. In what time can A and B together it ? 1707 05b5cc6d8e4d2b4197774e755

उत्तर : 4. "12 6/7 days" व्याख्या :Answer: D) 12 6/7 days Explanation: Let 'B' alone can do the work in 'x' days 6/30 + 18/x = 1 => x = 22.5 1/30 + 1/22.5 = 7/90 => 90/7 = 12 6/7 days

प्र: State-run NTPC has set up first electric vehicle charging business and charging stations in __________. 1400 05b5cc6d8e4d2b4197774e75a

प्र: At what time, between 3 o’clock and 4 o’clock, both the hour hand and minute hand coincide each other ? 1693 05b5cc6d8e4d2b4197774e74b

प्र: How many degrees will the minute hand move, in the same time in which the second hand move 4800 ? 6077 05b5cc6d8e4d2b4197774e746

उत्तर : 1. "80 deg" व्याख्या :Answer: A) 80 deg Explanation: As minute hand covers, 60 degrees Minute hand covers 4800/60 = 80°

प्र: P alone can complete a piece of work in 6 days. Work done by Q alone in one day is equal to one-third of the work done by P alone in one day. In how many days can the work be completed if P and Q work together ? 2739 05b5cc6d8e4d2b4197774e737

प्र: The Van Vihar National Park is loacted in which state ? 1841 05b5cc6d8e4d2b4197774e73c

प्र: If a trader sold two cars each at Rs. 404415 and gains 15% on the first and loses 15% on the second, then his profit or loss percent on the whole is ? 1860 05b5cc6d8e4d2b4197774e732

उत्तर : 4. "2.25 %" व्याख्या :Answer: D) 2.25 % Explanation: SP of each car is Rs. 404415, he gains 15% on first car and losses 15% on second car. In this case, there will be loss and percentage of loss is given by = [(profit%)(loss%)]/100 = (15)(15)/100 % = 2.25%

प्र: Service tax was introduced in India in the year : 1405 05b5cc6d7e4d2b4197774e72d

उत्तर : 1. "1994" व्याख्या :Answer: A) 1994 Explanation:

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

प्र: A can do a piece of work in 30 days. He works at it for 6 days and then B finishes it in 18 days. In what time can A and B together it ? 1707 0

उत्तर : 4. "12 6/7 days"
व्याख्या :
Answer: D) 12 6/7 days Explanation: Let 'B' alone can do the work in 'x' days 6/30 + 18/x = 1 => x = 22.5 1/30 + 1/22.5 = 7/90 => 90/7 = 12 6/7 days

प्र: State-run NTPC has set up first electric vehicle charging business and charging stations in __________. 1400 0

प्र: At what time, between 3 o’clock and 4 o’clock, both the hour hand and minute hand coincide each other ? 1693 0

प्र: How many degrees will the minute hand move, in the same time in which the second hand move 4800 ? 6077 0

उत्तर : 1. "80 deg"
व्याख्या :
Answer: A) 80 deg Explanation: As minute hand covers, 60 degrees Minute hand covers 4800/60 = 80°

प्र: P alone can complete a piece of work in 6 days. Work done by Q alone in one day is equal to one-third of the work done by P alone in one day. In how many days can the work be completed if P and Q work together ? 2739 0

प्र: The Van Vihar National Park is loacted in which state ? 1841 0

प्र: If a trader sold two cars each at Rs. 404415 and gains 15% on the first and loses 15% on the second, then his profit or loss percent on the whole is ? 1860 0

उत्तर : 4. "2.25 %"
व्याख्या :
Answer: D) 2.25 % Explanation: SP of each car is Rs. 404415, he gains 15% on first car and losses 15% on second car. In this case, there will be loss and percentage of loss is given by = [(profit%)(loss%)]/100 = (15)(15)/100 % = 2.25%

प्र: Service tax was introduced in India in the year : 1405 0

उत्तर : 1. "1994"
व्याख्या :
Answer: A) 1994 Explanation: