NBCC Executive Electrical Question Paper Part 3

Q.1 The average runs scored by a batsman in 15 matches is 75 and in other 17 matches the average is 53. What is the average runs scored by the batsman in these 32 matches?

1. 66.72
2. 65.56
3. 74.28
4. 63.31

Correct Option: 4

NBCC Executive Electrical Question Paper Part 3

Q.2 E, F and G alone can complete a work in 15, 10 and 30 days respectively. J is 50 percent more efficient than E. K is 60 percent less efficient than F. L is 20 percent less efficient than G. J, K and L together will complete the same work in how many days?

1. 10 days
2. 6 days
3. 12 days
4. 8 days

Correct Option: 2

NBCC Executive Electrical Question Paper Part 3

Q.3 If x : y = 8 : 3, then what is the value of (8x + 3y) : (8x – 3y)?

1. 73 : 55
2. 83 : 72
3. 51 : 19
4. 49 : 11

Correct Option: 1

NBCC Executive Electrical Question Paper Part 3

Q.4 The population of the town is 320000. It increases annually at the rate of 20 percent. What will be the population after 2 years?

1. 384000
2. 460800
3. 768000
4. 428000

Correct Option: 2

NBCC Executive Electrical Question Paper Part 3

Q.5 A scooter runs at a speed of 54 km/hr after repairing and runs at speed of 48 km/hr before repairing. It covers a certain distance in 8 hours after repairing. How much time will it take to cover the same distance before repairing?

1. 9 hours
2. 13 hours
3. 10 hours
4. 12 hours

Correct Option: 1

NBCC Executive Electrical Question Paper Part 3

Q.6 A trader buys two chairs for Rs. 2200 for each chair. If he earns a profit of 10 percent on one and loses 40 percent on the other, then what will be his overall loss percentage?

1. 20 percent
2. 10 percent
3. 15 percent
4. 12 percent

Correct Option: 3

NBCC Executive Electrical Question Paper Part 3

NBCC Executive Electrical Question Paper Part 3

Q.8 If interest is being compound annually, then what sum will amount to Rs. 6250 in 2 years at the rate of 25 percent per annum at compound interest?

1. Rs. 5000
2. Rs. 8000
3. Rs. 4000
4. Rs. 6000

Correct Option: 3

NBCC Executive Electrical Question Paper Part 3

Q.9 Mixture of milk and water in three bottles of equal capacity is in the ratio 4 : 1, 3 : 1 and 2 : 3 respectively. These three bottles are emptied into a large bottle. What will be the ratio of milk and water respectively in the large bottle?

1. 13 : 8
2. 13 : 7
3. 13 : 6
4. 13 : 5

Correct Option: 2

NBCC Executive Electrical Question Paper Part 3

Q.10 An article is sold for Rs. 5950 after a discount of 30 percent. What is the marked price of the article?

1. Rs. 8500
2. Rs. 8000
3. Rs. 8200
4. Rs. 8400

Correct Option: 1

NBCC Executive Electrical Question Paper Part 3