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Question 1:

What will come in the place of the question mark ‘?’ in the following question?

$\sqrt{(89+32)}+5^{3}-(49 \times 2)=?$

Question 2:

Raman saves $x \%$ of his income. If his income increases by $43 \%$ and the expenditure increases by $40 \%$, then his savings increases by $60 \%$. Find $x$.

Question 3:

A manufacutres sells his articles at $25 \%$ above the cost of production. If cost of production goes up by $20 \%$ and manufacturer raises his selling price by $8 \%$, his profit percentage is.

Question 4:

The average marks of 100 students were found to be 40 . Later on it was discovered that a score of 53 was misread as 83. Find the correct average corresponding to the correct score.

Question 5:

The investments made by A and B are in the ratio 5: 2. If 5% of total profit is donated in a donation camp and A gets Rs. 8,550 as his share of profit then what is the amount of total profit?

Question 6:

The difference between compound interest (compounded annually) and simple interest on a certain sum of money at $10 \%$ per annum for 2 years is Rs. $40 .$ The sum is ;

Question 7:

Train A travels from Jaipur to kanpur, While train B from kanpur to Jaipur. After crossing each other they take 3 hrs 20 minutes and $4 \mathrm{hrs} .48$ minutes respectively to arrive at their respective destination. If speed of train $A$ is $75 \mathrm{~km} / \mathrm{hr}$, then what is the speed of train B?( in $\mathrm{km} / \mathrm{hr}$)

Question 8:

If 12 men or 18 women can reap a field in 14 days, then working at the same rate, 8 men and 16 women can reap the same field in:

Question 9:

In the given figure, $\mathrm{O}$ is the center of the circle then $x$ is equal to:

Question 10:

If $\sin ^{2} 35^{\circ}+\cos ^{2}\left(3 x-25^{\circ}\right)=1$, then find the value of $\tan 3 x+\cos 3 x $