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Number System: Level 1 Test -12
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Question 1 |
Three different containers contain different quantities of a mixture of milk and water, whose measurements are 403 kg, 434 kg and 465 kg. What biggest measure be there to measure all the different quantities exactly?
7 kg | |
1 kg | |
31 kg | |
41 kg |
Question 1 Explanation:
Here 434-403 = 31 Kg
Similarly 465-434=31 Kg.
As we can see 31 Kg is actually the HCF of (403,434,465) Correct option is (c)
Similarly 465-434=31 Kg.
As we can see 31 Kg is actually the HCF of (403,434,465) Correct option is (c)
Question 2 |
If 6 yr. are subtracted from the present age of Randheer and the remainder is divided by 18, then the present age of his grandson Anup is obtained. If Anup is 2 yr. younger to Mahesh whose age is 5 yr. what is the age of Randheer?
84 yr. | |
48 yr. | |
60 yr. | |
96 yr. |
Question 2 Explanation:
Anup’s age is 3 yrs.
Then the age of Randheer = (18 x 3)+6=60
Correct option is (c)
Then the age of Randheer = (18 x 3)+6=60
Correct option is (c)
Question 3 |
For numbers a and b, define * as $ \displaystyle a*b=\left( a+b \right)\,\div \left( a-b \right).$
Then the value of (1* 2) * 3 is
Then the value of (1* 2) * 3 is
-2/3 | |
-1/5 | |
0 | |
1/2 |
Question 3 Explanation:
(1* 2) * 3 = -3*3=0
Correct option is (c)
Correct option is (c)
Question 4 |
The unit’s digit of 132003 is
1 | |
3 | |
7 | |
9 |
Question 4 Explanation:
This is equal to find 33 =_7
Correct option is (c)
Correct option is (c)
Question 5 |
The fuel indicator in a car shows one-fifth of the fuel tank as full. When 22 more litres of fuel are poured into the tank, the indicator rests at the three-fourth of the full mark. Find the capacity of the fuel tank.
25 L | |
35 L | |
30 L | |
40 L |
Question 5 Explanation:
$ \displaystyle \begin{array}{l}Given,\,\,\,\,\,\,\,\,\,\,\,\,\,\frac{p}{5}+22=\frac{3}{4}p\\\therefore \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\left( \frac{3}{4}-\frac{1}{5} \right)\,p=22\\\Rightarrow \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\frac{11}{20}p=22\\\Rightarrow \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,p=40\,L\end{array}$
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