**Directions:** Each of the questions given below is followed by series of options among which you have to choose the best one. You can also review your choices by clicking into answer section.

**1. The value of 0.57 is:**

A. 57/10

B. 26/45

C. 57/99

D. 52/99

**Answer**

**Ans:**Option B

** Explanation:**

No explanation

** 2. 0.009/?=0.01**

A. 0.0009

B. 0.09

C. 0.9

D. 9

**Answer**

**Ans:**Option C

** Explanation:**

Let.009 x =.01;

Then x =.009/.01= .9/1=.9

**3. 4211.01 + 22.261 – ? = 2645.759**

A. 1587.512

B. 1586.532

C. 1588.021

D. 1586.422

**Answer**

**Ans:**Option A

** Explanation:**

Required Value = 4211.01 + 22.261 – 2645.759 = 1587.512

**4. Which of the following is equal to 0.024 × 106?**

A. 2400000

B. 240000

C. 24000

D. 2400

**Answer**

**Ans:**Option C

** Explanation:**

0.024 × 106 = 0.024 × 1000000 = 24000

**5. Given that 268 74 = 19832, find the values of 2.68 0.74**

A. 1.9832

B. 1.9831

C. 1.8831

D. 1.9952

**Answer**

**Ans:**Option A

** Explanation:**

Sum of decimal places = (2 + 2) = 4

2.68 * 0.74 = 1.9832

**6. On simplification 1/0.04 is equal to: **

A. 2.5

B. 2/5

C. 25

D. 1/40

**Answer**

**Ans:**Option C

** Explanation:**

No explanation

**7. If (1 / 3.718) = 0.2689, Then find the value of (1 / 0.0003718).**

A. 2699

B. 2690

C. 2680

D. 2689

**Answer**

**Ans:**Option D

** Explanation:**

1/0.0003718

(10000/3.718)

10000*(1 / 3.718)

10000*0.2689=2689.

**8. Evaluate: (2.39) ^{2} – (1.61)^{2 }/ (2.39 – 1.61)**

A. 2

B. 4

C. 6

D. 8

**Answer**

**Ans:**Option B

** Explanation:**

(a^{2} – b^{2})/(a-b) = (a + b)*(a – b)/ (a-b)= (a + b)= (2.39 + 1.61) = 4.

**9. 54.327 x 357.2 x 0.0057 is same as**

A. 5.4327 x 3.572 x 5.7

B. 5.4327 x 3.572 x 0.57

C. 54327 x 3572 x 0.0000057

D. None of these

Answer: Option A

**Answer**

**Ans:**Option

** Explanation:**

Number of decimal places in the given expression = 8

Number of decimal places in A. = 8

Number of decimal places in B. = 9

Number of decimal places in C. = 7

Clearly, the expression in A. is the same as the given Expression.

**10. The rational number for recurring decimal 0.125125…. is:**

A. 63/487

B. 119/993

C. 125/999

D. None of these

**Answer**

**Ans:**Option C

** Explanation:**

0.125125… = 0.125¯¯¯¯¯ = 125/999

**11. The expression (11.98*11.98 + 11.98*x + 0.02*0.02) will be perfect square of x if x equal to……… **

A. 0.02

B. 0.04

C. 0.2

D. 0.4

**Answer**

**Ans:**Option B

** Explanation:**

(11.98)² + (0.02)² + 11.98 * x

2 *(11.98) (0.02)² = 11.98 * x or x = 0.04

**12. Convert 0.343434….. into a fraction**

A. 3199

B. 3299

C. 3399

D. 3499

**Answer**

**Ans:**Option D

** Explanation:**

0.343434…..=0.34¯¯¯¯¯=3499

[Reference : Conversion of Recurring Decimals into Vulgar Fractions]

**13. The value of (3.75 * 3.75 – 2*3.75*2.75 + 2.75*2.75 ) is. **

A. 1

B. 4.75

C. 1.75

D. 6.5

**Answer**

**Ans:**Option A

** Explanation:**

(3.75)² – 2*3.75*2.75 + (2.75)² use formula (a² – 2ab + b²) = (a – b)²

**14. Which of the following are in descending order of their value ?**

A. 1/3 , 2/5 , 3/7 , 4/5 , 5/6 , 6/7

B. 1/3, 2/5 , 3/5 , 4/7 , 5/6 , 6/7

C. 1/3 , 2/5 , 3/5 , 4/6 , 5/7 , 6/7

D. 6/7 , 5/6 , 4/5 , 3/7 , 2/5 , 1/3

**Answer**

**Ans:**Option D

** Explanation:**

No explanation

**15. 4×0.30−3×0.5000.003= ?**

A. 10

B. -10

C. 100

D. -100

**Answer**

**Ans:**Option D

** Explanation:**

4×0.30−3×0.5000.003=1.2−1.50.003=−0.30.003=−3003=−100