NAT I Arts Quantitative

The death rates for three diseases are :

Disease R 2 People out of 10,000

Disease S 13 People out of 1,000,000

Disease T 9 People out of 100,000

Disease R 2 People out of 10,000

What is the combined death rate for the three diseases?

• 123 out of 1,000,000 A
• 42 out of 10,000 B
• 42 out of 1000,000 C
• 303 out of 1,000,000 D

• a-180 A
• 2a-180 B
• 180-2a C
• 180-b 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

If the ratio of x : y is 9 : 7, then x+y is

• 16 A
• 2 B
• 1 C
• None D

How many miles are there between two cities if the distance is represented by a 2.4-inch line on a map having a scale of 1 inch to 8 miles ?

• 19.2 A
• 12.8 B
• 8.5 C
• 38 D

• 41^O A
• 65^O B
• 115^O C
• 106^O D

9218 - 3546+ 2354 =?

• 8026 A
• 8116 B
• 10410 C
• 23174 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

3/4 of 432 = ?

• 340 A
• 232 B
• 324 C
• 316 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

A car that gets 15 miles per gallon of gasoline can travel 250 miles on a full tank. If the same car got 20 miles per gallon, how many miles could it travel on a full tank ?

• 300 A
• 750 B
• 250 3/4 C
• 333 1/3 D

A car that gets 15 miles per gallon of gasoline can travel 250 miles on a full tank. If the same car got 20 miles per gallon, how many miles could it travel on a full tank?

• 300 A
• 750 B
• 250 3/5 C
• 333 1/3 D

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 piece of fabric is cut into three sections so that the first is three times as long as the second and the second is three times as long as the third. What part of the entire piece is the smallest section ?

• 2/5 A
• 3/7 B
• 2/3 C
• 1/13 D

A word processing operator typed 44 words per minute. After practice, the operator's speed increased to 55 words per minutes. By what percent did the operator's speed increase?

• 25% A
• 50% B
• 15% C
• 20% D

• 15 A
• 30 B
• 45 C
• 72 D

If it takes 10 minutes to walk 3/7 mile, how many minutes will it take to walk the rest of the mile ?

• 2 1/3 A
• 13 1/3 B
• 4 2/7 C
• 30 D

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

• 200 A
• 100 B
• 50 C
• 10 D

Find the value of x if 3:b=x:c.

• 3b/c A
• c/3b B
• 2c/3b C
• 3c/b D

In a school there are 400 students, of whom 70% are boys: what is the number of girls ?

• 120 A
• 200 B
• 280 C
• 2800 D