Question

81. What is the sum of all natural numbers from I to
(1) 61061
lural numbers from 1 to 1000 that are divisible by 7 ?
(2) 71271
(3) 71071
(4) 73371.
82.
160 shares of face value Rs. 100 were purchased w
Rs. 100 were purchased when the market value was Rs. 120. Company
had declared 20% dividend. Find the rate of return
(1) 16.67%
(2) 15.67%
(3) 14.67%
(4) 13.67%.
vestment.
x² + 7x² - x-7
83.
ir
+ 67 - 7
= ?
(x - 1)
(x + 1)
(x + 1)
(x + 7)
(3) (1 - 1)
(4)
(x + 1)
84.
A boat takes 3 hours to travel 30 km downstream and takes 5 hours to return to the same spot
upstream. Find the speed of the boat in still water. (km/hr)
(1) 10 km/hr
(2) 8 km/hr
(3) 6 km/hr
(4) 5 km/hr.
85.
Find the difference between the sum of all even numbers from 1 to 1000 and the sum of all odd
numbers from 1 to 1000.
(1) 0
(2) 250
(3) 500
(4) 1000
= IS L = 50, then find the
86. From a frequency distribution table if N = 100, h = 10 cf. = 38
median for the distribution. Choose the correct alternative.
(1) 56.67
.(2) 55.76
(3) 56.76
(4) 55.87
87.
If the geometric mean of (21 - .) and (35 - ) is (270). Then find the value of
(1) 4
(2) 25
(3) 16
88. The difference between the diagonals of a rhombus is 4 cm and the area of the rhombus is 96
cm?. Then find the difference between the length of the smaller diagonal and the length of the
side of the rhombus.
(1) 2 cm
(2) 3 cm
(3) 4 cm
(4) 6 cm​

Answer 1

Answer:

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