Maths in English

1. In the following number series only one number is wrong. Find out the wrong number

1  4  25  256  3125  46656  823543 

 
 
 
 

2. What will come in place of question mark (?) in the following number series.

112   119   140   175   224  (?)

 
 
 
 

3. In the following number series only one number is wrong. Find out the wrong number.

144    215   540   1890   8505    46777.5    304053.75

 
 
 
 

4. Seema purchased an item for Rs. 9,600 and sold it for loss of 5 percent. From that money she purchased another item and sold it for gain of 5 percent. What is her overall gain/loss?

 
 
 
 

5. The simple interest accrued on an amount of Rs. 22,500 at the end of four years is Rs. 10,800. What would be the compound interest accrued on the same amount at the same rate at the end of two years?

 
 
 
 

6. The total area of a circle and a rectangle is equal to 1166 sq.cm. The diameter of the circle is 28 cms. What is the sum of the circumference of the circle and the perimeter of the rectangle if the length of the rectangle is 25 cm.

 
 
 
 

7. What will come in place of question mark (?) in the following number series.

12   35   81   173   357    (?)

 
 
 
 

8. Raman scored 456 marks in an exam and Seeta got 54 percent marks in the same exam which is 24 marks less than Raman. If the minimum passing marks in the exam is 34 percent, then how much more marks did Raman score than the minimum passing marks.

 
 
 
 

9. In a college, the ratio of boys to girls is 31:23 respectively. When 75 more girls join the college, this ratio becomes 124:107. How many more girls should join the college to make the number of boys and girls equal.

 
 
 
 

10. What approximate value will come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value.)

5466.97 – 3245.01 + 1122.99 = ? + 2309.99

 
 
 
 


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