Find out the odd word/letters/number/number pair from the given alternatives.
1). 484
2). 784
3). 676
4). 575
The mean of marks secured by 50 students in division A of class X is 61, 25 students of division B is 57 and that of 50 students of division C is 55. What
will be the mean of marks of the students of three divisions of Class X?
1). 57.1
2). 56.4
3). 59.2
4). 57.8
If the length of the side of an equilateral triangle is 6 cm, what is its area?
1). 18√3 sq cm
2). 36√3 sq cm
3). 27√3 sq cm
4). 9√3 sq cm
If 4x - 7y = 3 and 2x - y = 9, then x - y is.
1). 3
2). 4
3). 5
4). 6
Three consecutive natural numbers are such that the square of the greatest is greater than the product of the other two by 19. The smallest of these
numbers is
1). 5
2). 6
3). 7
4). 4