DELHI POLICE CONSTABLE REASONING (ARITHMETIC OPERATION) QUIZ-7

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Question 1:

If the mathematical operators -, +, × and ÷ are represented by A, B, C and D respectively, then find the value of 7B18C6D3A5.

Question 2:

Read the given question and decide which of the following alternatives is also needed to answer the question.

The ages of three persons A, B and C are in 5 : 4 : 3 proportion. A is the eldest person, while C is the youngest. What is the age of C?

Question 3:

Select the correct combination of mathematical signs to replace * signs and to balance the equation.

15*24*3*6*17*46

Question 4:

Which two signs need to be interchanged to make the given equation correct?

50 + 80 ÷ 16 – 7 × 13 = 72

Question 5:

If + means ×, × means +, ÷ means – and – means ÷, then, find the value of 143 – 13 + 11 × 81 ÷ 9.

Question 6:

What will be the value of the expression if the signs ‘÷’ and ‘+’ are interchanged?
(79 ÷ 17) + 4 × 4 – 12 + 4

Question 7:

If the signs ‘+’ and ‘×’ and number ‘34’ and ‘8’ are interchanged , which one of the following four equation would be correct?

Question 8:

In the following question, which mathematical operators can be used so that the expression will become correct?

6__12__3__5__15 = 11.5

Question 9:

If 'P' means '+', 'T' means '×', 'Q' means '-', 'R' means '÷', then find from the given alternatives which equation is correctly balanced?

Question 10:

In the following question, by using which mathematical operators will the expression become correct?

45 ? 15 ? 9 ? 35 ? 8

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