- olympiad@cscacademy.org

- 1. This is Model Question Paper.
- 2. This is an Online Worksheet.
- 3. Total Questions-50.
- 4. Total Time-60 minutes.

Q.1 The sum of the squares of 3 consecutive positive numbers is 365. The sum of the numbers is:

- (a) 30
- (b) 33
- (c) 36
- (d) 45

Q.2 Which one is the smallest number?

- (a) 7413
- (b) 7130
- (c) 7985
- (d) 7545

Q.3 What is the product of 9680 × 10 × 14 × 0 × 8 ?

- (a) 561260
- (b) 642976
- (c) 912040
- (d) Zero

Q.4 The difference between the smallest number of six-digits and the largest number of four-digits is-

- (a) 90001
- (b) 91000
- (c) 90100
- (d) 90010

Q.5 Which of these pipes will empty a pool the fastest?

i. One pipe of diamater 60 cm.

ii. Two pipes of diameter 30 cm each.

iii. Three pipes of diameter 20 cm each.

- (a) i
- (b) ii
- (c) iii
- (d) None of these

Q.6 A shopkeeper takes Rs. 10 for every bottle of coke or 240 for every carat of 30 bottles. If Vandana wants to buy 185 bottle of coke, what amount she will have to pay?

- (a) 1480
- (b) 1490
- (c) 1600
- (d) 1850

Q.7 A man do a work in 12 days working 8 h per day. If he does 6 h per day, what would be the number of days taken by him?

- (a) 12 days
- (b) 14 days
- (c) 16 days
- (d) 18 days

Q.8 There are 480 coins in 50 Paise, 25 paise and 10 paise coins and their values are proportional to 5 : 3 : 1. The number of coins in each case is:

- (a) 100, 200, 180
- (b) 50, 30, 400
- (c) 150, 180, 150
- (d) 300, 90, 90

Q.9 Rs. 1740 is divided among A, B, and C such that 0.5 of A = 0.6 of B = Rs. 0.75 of C. Then C will get

- (a) Rs. 580
- (b) Rs. 696
- (c) Rs. 348
- (d) Rs. 464

Q.10 A, B and C divide an amount of Rs. 9861 amongst themselves in the ratio of 3 : 11 : 5, respectively. What is the B’s share in the amount?

- (a) Rs. 4671
- (b) Rs. 5709
- (c) Rs. 6223
- (d) Rs. 7266

Q.11 Find out the wrong number in the series.

216, 163, 120, 72, 24

- (a) 216
- (b) 163
- (c) 72
- (d) 24

Q.12 Write the number which does not fit in the principle followed.

22, 37, 52, 67, 84, 97

- (a) 52
- (b) 84
- (c) 97
- (d) 67

Q.13 In each of the following questions, find the odd number/ words from the given alternatives.

- (a) Aluminium
- (b) Iron
- (c) Copper
- (d) Brass

Q.14 If in a two digit number, the digit at unit place is y and the digit at tens place is 5, then the number is

- (a) 50y+y
- (b) 5y+5
- (c) 50+y
- (d) 50y+5

Q.15 The sum of a two digit number and the number obtained by reversing its digits is a square number. How many such numbers are there ?

- (a) 5
- (b) 6
- (c) 7
- (d) 8