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Q 1/30
Score 0
The average height of 12 students in a class was calculated as 152 cm. On verification, it was found that one reading was wrongly recorded as 148 cm instead of 172 cm. Find the correct mean height
120
154 cm
156 cm
158 cm
150 cm
Q 2/30
Score 0
The difference of the squares of two positive number is 45. The square of the smaller number is four time the larger number. Find the numbers
120
9 and 5
3 and 16
3 and 15
9 and 6
30 questions
Q.
The average height of 12 students in a class was calculated as 152 cm. On verification, it was found that one reading was wrongly recorded as 148 cm instead of 172 cm. Find the correct mean height
1
120 sec
Q.
The difference of the squares of two positive number is 45. The square of the smaller number is four time the larger number. Find the numbers
2
120 sec
Q.
The radius of a cart wheel is 35 cm. How many revolution does it make in travelling a distance of 154 m?
3
120 sec
Q.
Saran is 6 times as old as his son Sankar. After 4 years, he will be 4 times as old as his son. What are their present ages?
4
120 sec
Q.
Express 0.35 into fraction
5
45 sec
Q.
How many numbers are there between 200 and 300 which are exactly divisible by 6, 8 and 9?
6
45 sec
Q.
What is the answer when you add 2/3 and 3/5?
7
45 sec
Q.
If 14 compositors can compose 70 pages of a book in 5 hours, how many compositors will compose 100 pages of this book in 10 hours?
8
45 sec
Q.
Find the simple interest on Rs.7500/- at 8% per annum per 1 year 6 months.
9
45 sec
Q.
Cricket player Dhoni’s average in first 30 matches was 72 runs. After 31st match, his average raised as 73 runs. How many runs did he make in 31st match?
10
45 sec
Q.
Arrange in ascending order (3/4), (1/2), (5/8)
11
45 sec
Q.
In a T-20 match, Raju hit a ‘six’, 10 times out of 50 balls he played. If a ball was selected at a random. Find the probability that he would not have hit a ‘six’.
12
45 sec
Q.
A group of 100 candidates have their average height 163.8 cm with coefficient of variation of 3.2. What is the standard deviation of their heights?
13
45 sec
Q.
The present ages of Reena and Usha are 24 years and 36 years respectively, what was the ratio between the ages of Usha and Reena, 8 years ago?
14
45 sec
Q.
The total surface area of cube is 384 m^2. Find the side of the cube.
15
45 sec
Q.
Find the LCM of 3(a-1), 2(a-1)^2, (a^2-1)
16
45 sec
Q.
Find the cube root of 1 (61/64)
17
45 sec
Q.
The ratios of the respective heights and the respective radii of two cylinders are 1:2 and 2:1 respectively. Then their respective volumes are in the ratio
18
45 sec
Q.
At what rate of interest a sum of money doubles itself in 10 years in simple interest?
19
45 sec
Q.
In a Geometric Progression, t2 = 3/5; t3 = 1/5. Then the common ratio is
20
45 sec
Q.
If 1+2+3+….+n = k, then, 1^3+2^3+3^3+….+n^3 =
21
45 sec
Q.
What percent is 5 grams of 1 kg?
22
45 sec
Q.
The cube root of 0.027 is
23
45 sec
Q.
The product of two numbers is 1600 and their HCF is 5, then LCM of the number is
24
45 sec
Q.
If the average of the values 18,41,x,36,31,24,37,35,27,36 is 31. Find the value of x
25
45 sec
Q.
Find the length of the altitude of an equilateral triangle of side 3√3 cm?
26
45 sec
Q.
If 5 & 3 = 34 and 6 & 2 = 40, then, the value of 7 & 1 is
27
45 sec
Q.
Find out the odd number in the series given 25,36,49,81,121,169,225
28
45 sec
Q.
Find the range of 25,67,78,43,21,17,49,54,76,92,20,45,86,37,35
