# 3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day should 4 pumps work in order to empty the tank in 1 day

1.  10

2.  12

3.  8

4.  15

4

12

Explanation :
No Explanation available for this question

# What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad

1.  814

2.  802

3.  836

4.  900

4

814

Explanation :
No Explanation available for this question

# A student multiplied a number by 3/5 instead of 5/3.What is the percentage error in the calculation

1.  A. 64%

2.  B. 32%

3.  C. 34%

4.  D. 42%

4

A. 64\%

Explanation :
No Explanation available for this question

# The diagonal of the floor of a rectangular room is 712 feet. The shorter side of the room is 4 12 feet. What is the area of the room

1.  27 square feet

2.  22 square feet

3.  24 square feet

4.  20 square feet

4

27 square feet

Explanation :
No Explanation available for this question

# 39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work

1.  9

2.  12

3.  10

4.  13

4

13

Explanation :
No Explanation available for this question

# 270 students appeared for an examination, of which 252 passed. What is the pass percentage

1.  9313%

2.  9323%

3.  9223%

4.  92%

4

9313\%

Explanation :
No Explanation available for this question

# The diagonal of a rectangle is 41−−√ cm and its area is 20 sq. cm. What is the perimeter of the rectangle

1.  16 cm

2.  10cm

3.  12cm

4.  18cm

4

18cm

Explanation :
No Explanation available for this question

# A certain industrial loom weaves 0.128 meters of cloth every second. Approximately how many seconds will it take for the loom to weave 25 meters of cloth

1.  205

2.  200

3.  180

4.  195

4

195

Explanation :
No Explanation available for this question

# John's salary was decreased by 50% and subsequently increased by 50%. How much percent does he loss

1.  35%

2.  25%

3.  32%

4.  28%

4

25\%

Explanation :
No Explanation available for this question

1.  2 litres

2.  1.4 litres

3.  1 litres

4.  1.6 litres

4