Olympiad Test: Mathematical Reasoning - 1 - Class 8 MCQ

If ‘+’ is ‘x’, ‘-’ is ‘+’, ‘x’ is ‘÷’ and ‘÷’ is ‘-’, then answer the following questions based on the given information.

Q. 6 -  9 + 8 x 3 ÷ 20 = ?

If ‘+’ is ‘x’, ‘-’ is ‘+’, ‘x’ is ‘÷’ and ‘÷’ is ‘-’, then answer the following questions based on the given information.

Q. 5 × 4 − 6 ÷ 3 + 1 = ?

If ‘+’ is ‘x’, ‘-’ is ‘+’, ‘x’ is ‘÷’ and ‘÷’ is ‘-’, then answer the following questions based on this information.

Q. 15 × 5 ÷ 3 + 1 - 1 = ?

If ‘+’ is ‘x’, ‘-’ is ‘+’, ‘x’ is ‘÷’ and ‘÷’ is ‘-’, then answer the following questions based on this information.

Q. 9 -  3 + 2 ÷ 16 x 2 = ?

If ‘+’ is ‘x’, ‘-’ is ‘+’, ‘x’ is ‘÷’ and ‘÷’ is ‘-’, then answer the following questions based on this information.

Q. 21 ÷  8 + 2 - 12 x 3 = ?

Correct the following equations by interchanging the two signs:

Q. 51 ÷  3 x 12 - 6 + 3 = 11

Correct the following equations by interchanging the two signs:

Q. 3 -  9 x 27 + 9 ÷ 3 = 3

Correct the following equations by interchanging the two signs:

Q. 15 ÷  9 x 3 - 74 + 2 = 5

Q. Three friends had dinner at a restaurant. When the bill was received, Amita paid 2/3 as much as Veena paid and Veena paid 1/2  as much as Tanya paid. What faction of the bill did Veena pay?

In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank spaces.

2, 7, 14, 23, –, 47

Which number must be added to 6, 16 and 8 to get an average of 13?

A is 3 years older to B and 3 years younger to C, while B and D are twins. How many years older is C to D?