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Applied Maths Match the following.

Numerical Applications · CBSE STD 11 Science (CBSE - English Medium). 4 questions.

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Question 14 Marks
If two men $A$ and $B$ start from a place $P$ walking at $3 km / hr$ and $3 \frac{1}{2} km / hr$, respectively, then match the following columns :
Column - IColumn - II
(a) How many km apart will they be at the end of $2 \frac{1}{2}$ hours, If they walk in opposite direction?(i) 32 hours
(b) How many km apart will they be at the end of $2 \frac{1}{2}$ hours, if the walk in same direction?(ii) $1 \frac{1}{4} km$ apart
(c) What time will they take to be 16 km apart if they walk in opposite directions.(iii) $2 \frac{6}{13}$ hours
(d) What time will they take to be 16 km apart if they walk in same direction?(iv) $16 \frac{1}{4} km$ apart
Answer
Sol. (a) ↔ (iv), (b) ↔ (iii), (c) ↔ (ii), (d) ↔ (i).

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Question 24 Marks
Six persons are sitting in a circle. $A$ is facing $B . B$ is to the right of E and left of C. C is to the left of D. F is to the right of A. Now, D exchanges his seat with F , and E with B .
Now, match the following columns :
Column - IColumn - Il
(a) Person sitting left to D(i) D
(b) Person sitting left to C(ii) F
(c) Person sitting opposite to B(iii) E
(d) Person sitting opposite to C(iv) A
Answer
(a) ↔ (iv), (b) ↔ (ii), (c) ↔ (iii), (d) ↔ (i).
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Question 34 Marks
Column-IColumn-II
(a) The angle between the minute hand and the hour hand of a clock when the time is 4.20 is(i) 130°
(b) At 3.40, the hour hand and the minute hand of a clock form an angle of(ii) $43 \frac{7}{11}$ min past 5
(c) At what time between 5.30 and 6 will the hands of a clock be at right angles?(iii) 10
(d) At what time between 4 and 5 o'clock will hand of a watch point in opposite direction?(iv) $54 \frac{6}{11}$ min past 4
Answer
Sol. (a) ↔ (iii), (b) ↔ (i), (c) ↔ (ii), (d) ↔ (iv). 
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Question 44 Marks
Column 1Column 2
(a) The mean of $1^2, 2^2, 3^2, 4^2, 5^2, 6^2$, $7^2$ is(i) 50
(b) The average of all odd numbers upto 100 is(ii) 23
(c) The average of a non-zero number and its square is 5 times the number. The number is(iii) 20
(d) The average of 7 consecutive numbers is 20. The largest number is(iv) 9
Answer
(a) ↔ (iii), (b) ↔ (i), (c) ↔ (iv), (d) ↔ (ii).
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Match the following. - Applied Maths STD 11 Science Questions - Vidyadip