Practice MCQ Questions and Answer on Simplification

141.

(0.03)2+(0.21)2+(0.065)2(0.003)2+(0.021)2+(0.0065)2

  • (A) 0.1
  • (B) 10
  • (C) 102
  • (D) 103

142.

1+12+14+17+114+128     is equal to = ?

  • (A) 2
  • (B) 2.5
  • (C) 3
  • (D) 3.5

143.

11+2ab+11+2ba     is equal to = ?

  • (A) a - b
  • (B) b - a
  • (C) 1
  • (D) 0

144.

The value of 3 ÷ 18 of 3 × 6 + 21 × 6 ÷ 18 - 3 ÷ 2 + 3 - 3 ÷ 9 of 3 × 9 is:

  • (A) 296
  • (B) 416
  • (C) 359
  • (D) 476

145.

1 - [5 - {2 + (- 5 + 6 - 2) 2}] is equal to:

  • (A) -4
  • (B) 2
  • (C) 0
  • (D) 2

146.

Find the value of 248+52+144=?

  • (A) -16
  • (B) ±16
  • (C) 16
  • (D) 16.2

147.

A teacher wants to arrange his students in an equal number of rows and columns. If there are 1369 students, the number of students in the last row are ?

  • (A) 37
  • (B) 33
  • (C) 63
  • (D) 47

148.

(333)3+(333)3+(334)33×333×333×3343           is equal to = ?

  • (A) 12
  • (B) 11
  • (C) 10
  • (D) 15

149.

If a + 2b = 6 and ab = 4, then what is 2a+1b=?

  • (A) 12
  • (B) 13
  • (C) 32
  • (D) 2

150.

Let x=53437×1534+2235÷1112534÷514+535÷3415.      When y is added to x, the result is 713. What is the value of y?

  • (A) 913
  • (B) 413
  • (C) 113
  • (D) 213