Q.1
125 gallons of a mixture contains 20% water. What amount of additional water should be added such that water content be raised to 25%?
  • A. 15/2 gallons.
  • B. 17/2 gallons.
  • C. 19/2 gallons.
  • D. 81/3 gallons.
Q.2
106 × 106 – 94 × 94 = ?
  • A. 2004
  • B. 2400
  • C. 1904
  • D. 1906
Q.3
Which of the following numbers gives 240 when added to its own square?
  • A. 15
  • B. 16
  • C. 18
  • D. 20
Q.4
Evaluation of 83 × 82 × 8-5 is …………. .
  • A. 1
  • B. 0
  • C. 8
  • D. None of these.
Q.5
The simplest form of 1.5 : 2.5 is …………… .
  • A. 6 : 10
  • B. 15 : 25
  • C. 0.75 : 1.25
  • D. 3 : 5
Q.6
The square root of 0.0081 is ………… .
  • A. 0.09
  • B. 0.9
  • C. 0.91
  • D. 0.009
Q.7
10-2 means …………. .
  • A. milli
  • B. centi
  • C. micro
  • D. deci
Q.8
Question 3.What is the sum of 5x3 – 3x2 - 1 and 3x2 + 1?
  • A. 5x3
  • B. 6x2
  • C. 5x
  • D. 3x2
Q.9
The cube root of 1331 is ………… .
  • A. 11
  • B. 13
  • C. 19
  • D. 17
Q.10
All natural numbers and 0 are called the ……………….. numbers.
  • A. whole
  • B. prime
  • C. integer
  • D. rational
Q.11
The wages of 10 workers for a six-day week is $What are the one day’s wages of 4 workers?
  • A. $ 40
  • B. $ 32
  • C. $ 80
  • D. $ 24
Q.12
142 × 16 = ………….. .
  • A. 7222
  • B. 2227
  • C. 2722
  • D. 2272
Q.13
10 is equal to …………. .
  • A. -1
  • B. 0
  • C. 1
  • D. None of these.
Q.14
4505 ÷ 5 = ………… .
  • A. 901
  • B. 910
  • C. 190
  • D. 109
Q.15
10003 – 999 = ………….. .
  • A. 4009
  • B. 9004
  • C. 9040
  • D. 9400
0 h : 0 m : 1 s