Quantitative Aptitude - Arithmetic Ability Questions

Choose the odd word/letters/number/number pair from the given alternatives.

Which of the following is not a Triangular number?

The sum of two digits of a number is 10. If the digits are interchanged, then its value increases by 18. Find the number.

Fraction that lies between 2/5 and 4/9 is

Two circles are drawn with the same centre. The circumference of the smaller circle is 44 cm and that of the bigger circle is double the smaller one. What is the area between these two circles?A. 154 square cmB. 308 square cmC. 462 square cmD. 616 square cm

Which of the following is not true for a rhombus?

If the curved surface area of a right circular cone is 10010 sq cm and its radius is 35 cm, find its volume?

Select the odd word/letters/number/number pair from the given alternatives.