- zcos.in

Question - 1.
What value should come in place of question mark (?) in the following equation?

(50625)^0.13 x (3375)² x (50625)^0.12 = (15)^?

Question - 2.
What value should come in place of question mark (?) in the following equation?
372% of 450 - 45% of 3640 = 20% of ?

Question - 3.
What value should come in place of question mark (?) in the following equation?
(17 / 71) of (91 / 19) of 10792 = ?

Question - 4.
What value should come in place of question mark (?) in the following equation?
(19683)^1/3 x (42875)^1/3 = 45 x ?

Question - 5.
What value should come in place of question mark (?) in the following equations?
223080 / ? = 1352

Question - 6.
What approximate value should come in place of question mark (?) in the following equations?
7.89% of 6650 + 6.65% of 7890 = ?

Question - 7.
What approximate value should come in place of question mark (?) in the following equations?
(140600)^1/3 = ?

Question - 8.
What approximate value should come in place of question mark (?) in the following equations?
(1385.86/7.698) + (14/0.069) = ?

Question - 9.
What approximate value should come in place of question mark (?) in the following equations?
(5775)^1/2 + 2400^1/2 = (620)^1/2 + ?

Question - 10.
What approximate value should come in place of question mark (?) in the following equations?
13.98% of 7551 - 17.02% of 4495 = ?

Question - 11.
In how many different ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women?

Question - 12.
In how many different ways can the letters of the word 'PAKISTAN' be arranged in such a way that the vowels always come together?

Question - 13.
20 persons are sitting around a circle table. What is the probability that 10 particular persons sit together?

Question - 14.
A tank has a leak which would empty it in 12 hours. A tap is turned on which fills the tank at the rate of 140 litres per hour and it is now emptied in 26 hours. What is the capacity of the tank?

Question - 15.
In a 3 Kg mixture of water and milk, 50% is milk. How much water should be added so that the proportion of milk becomes 20%?

Question - 16.
If 28 women earn Rs. 10080 in 12 days, how many men must work for 25 days to earn Rs. 28125, if the daily wages of a man is two-and-a-half times those of a woman?

Question - 17.
On a sum of money, the simple interest for 2 years is Rs. 660, while the compound interest is Rs. 696.30, the rate of interest being the same in both the cases. The rate of interest is?

Question - 18.
The difference between compound interest and simple interest on a sum for 2 years at 10% per annum, when the interest is compounded annually is Rs. 16. If the interest were compounded half-yearly, the difference in two interests would be?

Question - 19.
If the length of a rectangle is increased by 3 metre and the breadth is decreased by 1 metre, the area of the rectangle remains unchanged. If the length is decreased by 6 metre and the breadth is increased by 5 metre, again the area remains unchanged. What is the length of the rectangle?

Question - 20.
A shopkeeper fixes the marked price of an item 35% above its cost price. The percentage of discount allowed to gain 8% is?

Direction (Q. 21 - 25): Following pie-chart shows the percentage distribution of total population of six different cities in the year 1980. The total population all the six cities together is 2 crore.
The line graph shows the percentage growth of population of these six cities in two decades, 1980-1990 and 1990-2000.