Complete the pattern: 5, 7, 8; 6, 8, 12; 7, 9, ?

If the mean proportional of A and 27 is 18, then find the value of A.

If the price of rice increases by 20% and a person reduces its consumption by 20%, by what percentage will his total expenditure on rice decrease?

Find the smallest number which when increased by 20 is completely divisible by 12, 20, 15, 18 and 24.

Manoj travels from City A to City B. If Manoj drives his car at $$\frac{1}{5}$$​of his normal speed, then he reaches City B 36 minutes late. Find the time (in minutes) that Manoj would have taken to travel from City A to City B if he drove at his normal speed.

A typist takes 40 minutes to type 2 pages. How long (in minutes) will he take to type 110 pages?

What sum (in ₹) will earn a simple interest of ₹840 in 3 years at 20% per year rate of interest?

In an NSS college camp, there is food provision for 350 students for 40 days. If 50 more students join the camp, then for how many days will the provision last?

The LCM of the numbers 3.7 and 0.068 is:

If 1215 kg of rice is consumed by 189 girls for 8 days in a girl’ s hostel, then how much rice (in kg) is required for consumption by 252 girls for 10 days?

If the mean proportional of A and 27 is 18, then find the value of A.