Arithmetic is that branch of mathematics where we study various types of numbers and solve problems using basic operations like addition, subtraction, multiplication, and division.
There are more advanced operations like square, cubes, percentages, square roots, cube roots , logarithm etc.
Question 1: If = 5
Find the value of
(a) 1
(b)
(c)
(d) 0
Answer: (b)
Explanation: =
Question 2: Calculate
(a) 0
(b) 0.5
(c) 1
(d) 4
Answer: (c)
Explanation: =
Question 3:
(a) 1000
(b) 4
(c) 74
(d) 0.25
Answer: (b)
Explanation: =
Question 4: =
(a) 2
(b) 605
(c) 0.5
(d) 39
Answer: (c)
Explanation:
Question 5: Find the value of + 43 x 21
(a) 64
(b) 256
(c) 4096
(d) 2048
Answer: (c)
Explanation: + 48 X 21
Question 6: Find the sides of right angled triangle whose smallest side is 8
(a) 6,8,10
(b) 8,10,12
(c) 8,15,17
(d) Not possible to construct
Answer: (c)
Explanation: Let n = 8
Question 7: In a 200m race, P beats Q by 35m or 7 seconds. What is P’s time over the course.
(a) 36
(b) 35
(c) 34
(d) 33
Answer: (d)
Explanation: In 7 sec = 35 m
Speed = 5 m/s
Question 8: is equal to
(a)
(b)
(c) 41
(d) None of these
Answer: (c)
Explanation:
Question 9: Find the sum of numbers from 1 to 40
(a) 840
(b) 420
(c) 720
(d) 820
Answer: (d)
Explanation: Sum of n numbers =
Question 10: How many numbers are divisible by 7 and 5 in between 100 and 400.
(a) 7
(b) 11
(c) 13
(d) 9
Answer: (d)
Explanation: LCM of 7 and 5 = 35
35 divides 100 by 2 times