A closed metal box measure 30 cm x 20 cm x 10 cm. Thickness of the metal is Icm.

The volume of the metal required to make the box is:

• 1041 cm3
• 6000 cm3
• 4536 cm3
• 4536 cm3

Arun can climb a Coconut tree by 1.5 feet by each lift; however he slips 0.5 feet every time he makes the next lift. How many individual lifts he will have to reach the top of the Coconut tree of 18.5 feet?

• 20

• 19

• 18

• 18

In a school of 500 students, 102 students can read Hindi and Tamil both, 200 students can read only Hindi. The students who can read Tamil are

• 98

• 402

• 402

• 402

• 1, 23, 968 
•  1, 3, 068
• 1, 33, 268
• 1, 33, 268

Ms. Jhulan Goswami scores 102 runs in the 18th innings of her career and thus increases her average by 5. After the 18th inning, her average is:

• 17

• 21

• 26

• 26

•  40
• 60
•  20
•  20

•  01
• 21
• 61
• 61

Jogen’s taxable income for 2010-11 is Rupees 5, 00,000. The tax rates are (i) nil for first 1, 50,000, (ii)10% for 1, 50,001—3, 00,000, and (iii) 20% for the remaining. His Tax liability is:

• Rs 45000

• Rs 50000

• Rs 55000

• Rs 55000

Akbar will turn 50 when his son Jehangir turns 18. What will be Akbar’s age when it will be exactly times that of Jehangir?

• 36

• 40

• 44

• 44

Difference between two numbers is 9 and difference between their squares is 981. Lowest of the two numbers is:

• 40

• 50

• 65

• 65