Olympiad – Class VI – Mathematics - Knowing our Numbers

Buy Olympiad -VI Standard Practice test pack

Question - 1

Observe the following pattern for obtaining the sums, and find the sum of numbers from 781 to 790.
1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55
11 + 12 + 13+ ........ + 19 + 20 = 155
21 + 22 + 23 + ....... + 29 + 30 = 255
51 + 52 + 53 + ....... + 59 + 60 = 555

  • A 7055
  • B 7855
  • C 7955
  • D 8155

Question - 2

In numbers from 1 to 100, how many times does the digit 0 appear?

  • A 9
  • B 10
  • C 11
  • D 12

Question - 3

How many numbers are there containing 2 digits?

  • A 90
  • B 99
  • C 100
  • D 89

Question - 4

How many beads should be removed from the hundreds place in the abacus shown if it has to represent a number between 550 and 650?

  • A 4
  • B 3
  • C 2
  • D 1

Question - 5

Which of the following is the correct expansion of 27012?

  • A 2000 + 700 + 0 + 10 + 2
  • B 20000 + 700 + 0 + 10 + 2
  • C 20000 + 1000 + 0 + 70 + 2
  • D 20000 + 7000 + 0 + 10 + 2

Question - 6

Which of the following is the greatest?

  • A 7212
  • B 7122
  • C 7211
  • D 7221

Question - 7

Choose the correct ascending order of 6411, 6144, 6344, 6744.

  • A 6144, 6344, 6411, 6744
  • B 6744, 6411, 6344, 6144
  • C 6344, 6411, 6144, 6744
  • D 6144, 6411, 6744, 6344

Question - 8

The smallest 4-digit number formed by using the digits 5,0, 3, 1 and 7 only once contains

  • A 0 in thousands place
  • B 5 in tens place
  • C 3 in tens place
  • D 7 in units place

Question - 9

Write the greatest 4-digit number using different digits with 6 in the tens place.

  • A 9876
  • B 9867
  • C 9687
  • D 6987

Question - 10

Round 3500 to the nearest thousand.

  • A 3000
  • B 3600
  • C 4000
  • D 4500