9
Q:

# If  x = 1 - q and y = 2q + 1, then for what value of q, x is equal to y ?

 A) 0 B) 1 C) -1 D) -2

Explanation:

x = y  <=> 1 - q =  2q  + 1  <=> 3q  = 0 <=> q = 0.

Q:

The value of: 7.2 + (8.4 ÷ 0.12 × 0.2) − 5 × 180 ÷ 3 + 3

 A) -275.8 B) -75.8 C) 21.2 D) -175.8

Explanation:

0 46
Q:

The value of: 7.5 + (5.4 ÷ 4.5 × 2) − 8 × 4 ÷ 3.2

 A) -0.2 B) 0.1 C) -0.1 D) 0.2

Explanation:

0 96
Q:

If a : b = 2 : 3, then (5a + 3b) : (6a — 2b) is equal to:

 A) 3 : 2 B) 17 : 5 C) 10 : 7 D) 19 : 6

Explanation:

1 45
Q:

If a + b + c = 6 and ab + bc + ca = 5, then a^3 + b^3 + c^3 - 3abc is equal to:

 A) 108 B) 126 C) 98 D) 116

Explanation:

1 190
Q:

The value of: 3.8 + (8.2 div 4.1 times 2) - 4 times 3 div 1.2

 A) 1.2 B) -2.2 C) 2.2 D) -1.2

Explanation:

0 42
Q:

The value of : 108 ÷ 36 × 4 + 2.5 × 4 ÷ 0.5 − 10

 A) 20 B) 22 C) 16 D) 18

Explanation:

0 82
Q:

The value of -5/2 + 3/2 / 6 x 1/2 is equal to

 A) -1/3 B) -1/12 C) -19/8 D) -9/8

Explanation:

0 219
Q:

In a circle of radius 17 cm, a chordis at a distance of 8 cm from the centre of the circle. What is the length of the chord?

 A) 20 cm B) 15 cm C) 25 cm D) 30 cm