Arithmetic-Numbers and Counting [IAS (Admin.) Prelims CSAT Paper 2 (in English)]: Questions 5 - 9 of 124

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Question 5

Appeared in Year: 2017

Question MCQ▾

Certain 3-digit numbers have the following characteristics:

1. All the three digits are different.

2. The number is divisible by 7.

3. The number on reversing the digits is also divisible by 7.

How many such 3-digit numbers are there?

Choices

Choice (4)Response

a.

8

b.

4

c.

2

d.

6

Edit

Question 6

Appeared in Year: 2015

Question MCQ▾

In a parking area, the total number of wheels of all the cars (four-wheelers) and scooters/motorbikes (two-wheelers) is 100 more than twice the number of parked vehicles. The number of cars parked is

Choices

Choice (4)Response

a.

50

b.

35

c.

55

d.

45

Edit

Question 7

Appeared in Year: 2016

Question MCQ▾

If R and S are different integers both divisible by 5, then which of the following is not necessarily true?

Choices

Choice (4)Response

a.

R - S is divisible by 5

b.

R x S is divisible by 25

c.

R + S is divisible by 10

d.

R-2 + S-2 is divisible by 5

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Question 8

Appeared in Year: 2015

Question MCQ▾

If ABC DEED = ABCABC; where A, B, C, D and E are different digits, what are the values of D and E?

Choices

Choice (4)Response

a.

D = 2, E = 0

b.

D = 0, E = 1

c.

D = 1, E = 0

d.

D = 1, E = 2

Edit

Question 9

Appeared in Year: 2016

Question MCQ▾

In aid of charity, every student in a class contributes as many rupees as the number of students in that class. With the additional contribution of by one student only, the total collection is . Then how many students are there in the class?

Choices

Choice (4)Response

a.

43

b.

45

c.

21

d.

12

Edit