Practice Question and Answer
8 Q: What is compound interest on a sum of Rs. 37,500 for $$ {1{1\over 3}}$$ years at a rate of 12 % per year. If the interest is compounded 8 monthly?
1579 05fbf7caf90530f6255a1a930
5fbf7caf90530f6255a1a930- 1Rs.6, 420false
- 2Rs.6, 448false
- 3Rs.6, 240true
- 4Rs.6, 440false
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Answer : 3. "Rs.6, 240"
Q: The observer hears a sound from the source which is moving away from the observer who is stationary. Determine the frequency of the sound
1579 063c8f650be373f6c954abbda
63c8f650be373f6c954abbda- 1It is halvedtrue
- 2It remains the samefalse
- 3It reaches infinityfalse
- 4It gets doubledfalse
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Answer : 1. "It is halved"
Explanation :
If the observer is moving away from the source ((Figure)), the observed frequency can be found: λs=vTo−voTovTs=(v−vo)Tov(1fs)=(v−vo)(1fo)fo=fs(v−vov).
Q: In the following question, correct the equation by interchanging the two signs.
6 ÷ 17 x 51 + 6 – 12 = – 4
1579 0600ab7ccbc7633585f495f5b
600ab7ccbc7633585f495f5b6 ÷ 17 x 51 + 6 – 12 = – 4
- 1x and ÷false
- 2+ and ÷true
- 3+ and –false
- 4– and ÷false
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Answer : 2. "+ and ÷"
Q: Find the cost in rupees for carpeting a room 65dm× 30 dm at Rs. 45 per sq.m
1579 0607581c7e170a5231dc8a282
607581c7e170a5231dc8a282- 187750false
- 2877.50true
- 387.75false
- 48775false
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Answer : 2. "877.50"
Q: Which state/UTs administration has launched the ANMOL app under the national health mission?
1579 0604b3492155a394ba1136b32
604b3492155a394ba1136b32- 1Delhifalse
- 2Jammu & Kashmirtrue
- 3Tamil Nadufalse
- 4Andhra Pradeshfalse
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Answer : 2. "Jammu & Kashmir"
Q: Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
25 * 5 * 10 * 2 * 8 * 44
1579 0644a7a50c8416cce11891d53
644a7a50c8416cce11891d5325 * 5 * 10 * 2 * 8 * 44
- 1÷, ×, +, –, =true
- 2×, ÷, –, +, =false
- 3÷, ×, –, +, =false
- 4–, +, ÷, ×, =false
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Answer : 1. "÷, ×, +, –, = "
Q: In which year, Rajasthan State Environment Policy was declared?
1579 0640f0d505bff3d098dd90e39
640f0d505bff3d098dd90e39- 12008false
- 22013false
- 32010true
- 42018false
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Answer : 3. "2010"
Explanation :
Rajasthan State Environment Policy was announced in 2010. Rajasthan Environment Policy 2010 identifies major environmental challenges and outlines strategies and actions to deal with them.
Q:Study the following passage and given answer the questions.
Modern living has programmed our lives to a hectic, monotonous schedule that we have forgotten the gentle smile that once fleeted the human face. Smile has she power dissolve all worries. It has the all-pervasive ability us from abysmal depth of gloominess. We should not be cowed down by work pressure that constant frown imprisons our face.
In built confidence and positive attitude help a smile to blossom. A face bereft of smile makes us unarmed for it is the smile is a pleasant weapon which resists all hurdles and problems that depress us. If we learn to smile in a crisis it shows that we have the forbearance and courage to face the crisis. A smile, after all helps us preserve our perfect present unmindful of our past or future.
The author’s main objective in writing the passage seems to be
1579 0602c9ccf9f2a384309053487
602c9ccf9f2a384309053487In built confidence and positive attitude help a smile to blossom. A face bereft of smile makes us unarmed for it is the smile is a pleasant weapon which resists all hurdles and problems that depress us. If we learn to smile in a crisis it shows that we have the forbearance and courage to face the crisis. A smile, after all helps us preserve our perfect present unmindful of our past or future.
- 1to worm us of a dull futurefalse
- 2to highlight the ill-effects of computerfalse
- 3to enhance our skill of time managementfalse
- 4to unfold the healing powers of a gentle smiletrue
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