INTER AMITY , MENTAL MATH QUIZ

Find the missing number?

• 25

• 45

• 15

The base of a parallelogram is thrice its height. If the area is 867 sq.cm. Find the base and height of the parallelogram.

• H- 17m , B - 51m

• H- 51m, B- 17m

• H- 31m, B- 17m

Solve : 50.6 - 5.6 ÷ 0.7 × 1.6 of 2

• 25

• 35

• 15

The cost of fencing a square field at 60 paise per metre is Rs 1,200. Find the cost of reaping the field at the rate of 50 paise per 100 sq. metres.

• Rs. 1,200

• Rs. 1,250

• Rs. 1,050

[29 - (-2) {6 - (7 - 3)}] ÷ [3 x {5 + (-3) x (-2)}]

• 1

• 2

• -2

The present age of Aradhana and Aadrika is in the ratio 3:4. 5 years back, the ratio of their ages was 2:3. What is the present age of Aradhana?

• 12 years

• 15 years

• 20 years

The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers :

• 8

• 12

• 16

What is the next number in the series: 2, 9, 30, 93, …?

• 282

• 280

• 279

Find the remainder when 1234 x 1235 x 1237 is divided by 8.

• 4

• 2

• 6

Find the next number in the series 14, 916, 2536,.....

• 4964

• 4981

• 6481