(A) –8
(B) –6
(C) –4
(D) –2
Category: Maths
What is the sum of the sequence: 2+4+6+ ….. +98+100 = ?
(A) 2450
(B) 2500
(C) 2550
(D) 2600
What is the sum of the numbers: 1, 2, 3, 4, ….. 99, 100 ?
(A) 5000
(B) 5050
(C) 5100
(D) 5150
In a class of 60 students the ratio of boys to girls is 3:2. How many girls are there in the class?
(A) 21
(B) 22
(C) 23
(D) 24
What is the volume of a right-circular cylinder in cm² having radius 2cm and height 7cm?
(A) 86 cm2
(B) 88 cm2
(C) 90 cm2
(D) 92 cm2
1, 2, 5, 14, __________?
(A) 38
(B) 39
(C) 40
(D) 41
The value of the function f(x)=x^2-6x+7 at x=2 is?
(A) 1
(B) –1
(C) 2
(D) –2
the right answer is
(A) 0
(B) 1
(C) 32
(D) –32
What is the sum of the first 12 numbers of the series: 2 , 6, 10, 14, …. ?
(A) 260
(B) 268
(C) 280
(D) 288