2 / 3 is a rational number whereas √2 / √3 is

• Also a rational number

• An irrational number

• Not a number

• A natural periodic number

Greatest number which divides 926 and 2313, leaving 2 and 3 remainders, respectively, is

• 52

• 54

• 67

• None of these

A single discount equivalent to a discount series 15% and 5% is

• 32%

• 20%

• 21%

• None of these

By selling a cycle for Rs. 2345, a student loses 19%. His cost price is nearly

• Rs. 4000

• Rs. 5000

• Rs. 3000

• None of these

Diagonals of a rhombus are 1 meter and 1.5 meter in lengths. The area of the rhombus is

• 0.75 m2

• 1.5 m2

• 1.5 m2

• 0.375 m2