71.

A 25m long ladder is rested on a wall. The foot of the ladder is 7m away from the wall. If the end of the ladder (resting on the wall) slides down 4m, then how far will its foot move away?

• 5 m

• 8 m

• 9 m

• 9 m

Instead of multiplying by 25, a student multiplies that number by 52 and gets 324 more than the correct answer. Then that number is

• 15

• 12

• 25

• 25

If a number is decreased by 10%, it becomes 54. To make it 72, it should be increased by

• 21%

• 18%

• 
• 

12 men complete a work in 9 days. After they have worked for 6 days, 6 more men join them. How many days will they take to complete the remaining work?

• 2

• 3

• 4

• 4

The ratio of money with Ram and Gopal is 7 : 17 and with Gopal and Krishan is 7 : 17. If Ram has ₹ 490/-, Krishan has

• ₹2,890/-

• ₹2,680/-

• ₹2,330/-

• ₹2,330/-