NAT I Medical Quantitative

If (x+1/x)²=96 what is the value of x² + 1/x² ?

• 94 A
• 98 B
• 100 C
• 90 D

What is the number of 5% of which is 10 ?

• 200 A
• 100 B
• 50 C
• 10 D

350 - -96÷18 =?

• 318 A
• -132 B
• 328 C
• 232 D

If abc = 2 and a =c then b=

• a² A
• 1/2a B
• 2/a² C
• 2-a² D

Dave is twice as old as Bob, who is 3 years older than steve. If Steve is 4a years old, Dave's age is:

• 8a A
• 22a B
• 14a C
• 8a+6 D

√169 /196 x 14/√1521 =?

• 13/42 A
• 1/13 B
• 42/5 C
• 1/42 D

The value of (x+y)² - (x-y)² is?

• 4 A
• x²+y² B
• 4xy C
• -4xy D

If the area of two circles are in the ratio 169 : 196 then ratio of their radii is 

• 13 : 11 A
• 10 : 13 B
• 14 : 13 C
• 13 : 14 D

The population of a city increased in two years from 25,000 to 30,000; find the percent increase during the time.

• 10% A
• 20% B
• 40% C
• 5% D

9218 - 3546+ 2354 =?

• 8026 A
• 8116 B
• 10410 C
• 23174 D

If x% of 60 =48, then x=?

• 80 A
• 60 B
• 90 C
• 40 D

If a pipe can fill a tank in 2 hours and another pipe can fill the same tank in 40 minutes. how much time in minutes is needed to fill the tank if both the pipes are working together?

• 90 A
• 50 B
• 60 C
• 30 D

Z + 1/Z =2 ; Z =?

• 2 A
• 1 B
• 1/2 C
• 1 1/2 D

• b A
• b-180 B
• 90-b C
• 180-b D

The annual decrease in the population of a city was 10% and the present number of inhabitants is 1620. What was the population 2 years hence?

• 20 A
• 400 B
• 2000 C
• 1000 D

What is the sum of money, 6% of which is 18 dollars?

• 600 A
• 200 B
• 300 C
• 20 D

A factory employs M men and W women. What part of its employees are women ?

• W/(W+M) A
• W/M B
• (W+M)/M C
• M/W D

If abc= 2 and a = c then b =

• a² A
• 1/2a B
• 2/a² C
• 2-a² D

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 Chilli Milli.

• $250 A
• $300 B
• $400 C
• $380 D

7/3÷ 35/18÷ 54/20 = ?

• 49/4 A
• 4/9 B
• 4/63 C
• 81/35 D