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Playing With Numbers

If 5 A × A = 399, then the value of A is
(a) 3 (b) 6 (c) 7 (d) 9

04/11/2024

Mathematics

8th

Playing With Numbers

If A 3 + 8 B = 150, then the value of A + B is
(a) 13 (b) 12 (c) 17 (d) 15

04/11/2024

Mathematics

8th

Playing With Numbers

If 5 A + B 3 = 65, then the value of A and B is
(a) A = 2, B = 3 (b) A = 3, B = 2
(c) A = 2, B = 1 (d) A = 1, B = 2

04/11/2024

Mathematics

8th

Playing With Numbers

If 5 A + B 3 = 65, then the value of A and B is
(a) A = 2, B = 3 (b) A = 3, B = 2
(c) A = 2, B = 1 (d) A = 1, B = 2

04/11/2024

Mathematics

8th

Playing With Numbers

If x + y + z = 6 and z is an odd digit, then the three-digit number xyz is
(a) an odd multiple of 3 (b) odd multiple of 6
(c) even multiple of 3 (d) even multiple of 9

04/11/2024

Mathematics

8th

Playing With Numbers

If the sum of digits of a number is divisible by three, then the number
is always divisible by
(a) 2 (b) 3 (c) 6 (d) 9

04/11/2024

Mathematics

8th

Playing With Numbers

A six-digit number is formed by repeating a three-digit number. For
example 256256, 678678, etc. Any number of this form is divisible
by
(a) 7 only (b) 11 only (c) 13 only (d) 1001

04/11/2024

Mathematics

8th

Playing With Numbers

If abc is a three digit number, then the number abc – a – b – c is divisible by
(a) 9 (b) 90 (c) 10 (d) 11

04/11/2024

Mathematics

8th

Playing With Numbers

A four-digit number 4ab5 is divisible by 55. Then the value of b – a is
(a) 0 (b) 1 (c) 4 (d) 5

04/11/2024

Mathematics

8th

Playing With Numbers

Let abc be a three digit number. Then abc + bca + cab is not divisible by
(a) a + b + c (b) 3 (c) 37 (d) 9

04/11/2024

Mathematics

8th