NAT IIB Biological Science Quantitative Preparation Online Test for Pakistani Students

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

Find the arithmetic mean of 25.2, 13.5, 18.5, and 34.8

• 13 A
• 23 B
• 27 C
• 5 D

The average height of a class of 14 boys is 5.3 feet. After new boy is admitted to the class, the new average height now becomes 5.25. What is the height of the new boy?

• 4.55 A
• 5.0 B
• 6.0 C
• 3.5 D

If 4x - y = 13 and 3x - 2y = 7 then what is the average of 'x' and 'y'?

• 4 A
• 3 B
• 2 C
• 6 D

• 1.425 A
• 1.585 B
• 1.330 C
• 0.750 D
• 1.750 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 the radius of the circle is halfed, then its area

• Remains same A
• Become half B
• Become quarter C
• Become double D
• Not changed E

If 3(p + 5q) = 24, then what is the value of q, when p = 3?

• 1 A
• 5 B
• 9 C
• 3 D
• 7 E

If x + 2y = 11 and x + y = 10 the value of y is?

• 1 A
• 2 B
• 3 C
• 4 D

If 2x + y = 11 and 3x + 2y = 17 then y is?

• 1 A
• 5 B
• 6 C
• 4 D