NAT IIB Biological Science Quantitative Preparation Online Test for Pakistani Students

The value of (x + y)2- (x - y)2is?

• 4 A
• (x2 + y2 B
• 4xy C
• -4xy D

Out of the 44 boys in a class 9 are of the age of 10, 15 at the age of 9, and the rest are at the age of 8. Find their average age.

• 7.85 A
• 8.75 B
• 12.2 C
• 14.35 D

2.08 - (0.5)²= ?

• -1.20 A
• 1.88 B
• 1.83 C
• 2.16 D

• 1.425 A
• 1.585 B
• 1.330 C
• 0.750 D
• 1.750 E

A clerk filed 73 forms on Monday, 85 forms on Tuesday, 54 on Wednesday, 92 on Thursday and 66 on Friday. What was the average number of forms filed per day?

• 50 A
• 95 B
• 84 C
• 74 D

A man spent 10% of his money. After spending 60% of the remainder he has Rs. 72 left. How much had he in the start?

• 10 A
• 100 B
• 200 C
• 400 D

If the area of rectangle is 12, then its perimeter is

• 6 A
• 7 B
• 8 C
• 12 D
• Cannot be determined from the given information E

A man bought 27 packets of Chilli Milli at $280 each, 9 packets of Chilli Milli at $320 each and 6 packets of Chilli Milli at $360 each. Find the average price per packet of Challi Milli.

• $250 A
• $300 B
• $400 C
• $380 D

If 3x + 5y = 10 and 3y + 5x = 30 then average if 'x' and 'y' is?

• 3/2 A
• 4 B
• 5/2 C
• 7/2 D

If 'x' and 'y' are positive and 1/x = 3 + 1/y is 'x' greater than 'y'?

• Yes A
• No B
• It cannot be determind C
• They are equal D