Simplify:
\(\left(2\frac{1}{4}\times 1.6\right)+\left(1\frac{1}{3}\div0.4\right)\)
- AOption (a)
9.22
- BOption (b)
8.84
- COption (c)
9.63
- DOption (d)
6.93
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Correct answer
9.22
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\(\left(2\frac{1}{4}\times 1.6\right)+\left(1\frac{1}{3}\div0.4\right)\)
9.22
8.84
9.63
6.93
Correct answer
9.22
A pipe can fill a tank in \(2\frac{2}{3}\) hours, and another pipe empties it in 4 hours. If both are opened together, how long will it take to fill the tank?
8 h
10 h
12 h
16 h
Correct answer
8 h
X and Y started a business investing Rs. 60,000 and Rs. 90,000 respectively. After 5 months, X withdrew half his capital, and Y added Rs. 30,000 more. If the total profit at year-end is Rs. 49,500, find X's share.
Rs. 14,555
Rs. 14,305
Rs. 14,150
Rs. 14,025
Correct answer
Rs. 14,555
A circular garden has radius 10 m. What is its area in square meters?
500
541
314
100
Correct answer
500
Out of her total monthly income, a woman spends 60% on household expenses and 15% on savings. The remaining is spent on other items.
What percentage of her income is spent on these other items?
35%
25%
20%
30%
Correct answer
35%
A circular sheet of radius 10 cm is cut to form a sector of 120°. What is the length of the arc of this sector?
\(\frac{340}{21}\) cm
\(\frac{431}{24}\) cm
\(\frac{440}{21}\) cm
\(\frac{450}{21}\) cm
Correct answer
\(\frac{340}{21}\) cm
If X : Y = 3 : 2 then the value of \(\rm \frac{2x+5y}{3x+7y}?\)
13
\(\frac{14}{25}\)
\(\frac{17}{24}\)
\(\frac{16}{23}\)
Correct answer
13
A shopkeeper bought 100 pens at Hs 10 each. He sold 60 pens at 20% profit and the rest at 10% loss.
What is the overall profit or loss percentage?
2% profit
1% loss
3% loss
8% profit
Correct answer
2% profit
If (√7)6 ÷ (√7)4 = 7n, then find the value of n.
-2
2
-1
1
Correct answer
-2
The difference between 40% of a number and 25% of the same number is 75. What is 30% of the number?
120
125
150
135
Correct answer
120