Aptitude Practice Question and Answer
8 Q: $$ \sqrt {sec^2{θ}+cosec^2{θ}}=?$$
1132 05f06dd933f7f07047795e991
5f06dd933f7f07047795e991- 1$$ {tan^2{θ}}+cot^2{θ}$$false
- 2$$ tanθ+cotθ$$true
- 3$$ sinθ+cosθ$$false
- 4None of thesefalse
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Answer : 2. "$$ tanθ+cotθ$$"
Explanation :
$$ \sqrt {sec^2{θ}+cosec^2{θ}}$$
We know that
$$ {1+tan^2{θ}}={sec^2θ}$$
$$ {1+cot^2{θ}}={cosec^2{θ}}$$
$$ \sqrt {1+tan^2{θ}+1+cot^2{θ}}$$
Q: 5 number whose average is 76, the first is 3/7 times the sum of other 4. the first number is:
2230 05f06e9c8bc929f40b0b62caa
5f06e9c8bc929f40b0b62caa- 1176false
- 2228false
- 3171false
- 4114true
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Answer : 4. "114 "
Q: HCF and LCM of two numbers are 7 and 140 respectively. If the numbers are between 20 and 45, the sum of the numbers is:
963 05f06e68bb13c2d244adae0e2
5f06e68bb13c2d244adae0e2- 163true
- 256false
- 370false
- 477false
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Answer : 1. "63 "
Q: Anurag can walk a certain distance in 52 days when he rest 10 hours a day, how long will he take for twice the distance, If he walks twice as fast and rests twice as long each day?
1840 05f06e472bc929f40b0b6015c
5f06e472bc929f40b0b6015c- 1160false
- 2182true
- 3170false
- 4180false
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Answer : 2. "182 "
Q: A circle and a rectangle have the same perimeter. The sides of rectangle are 18 cm and 26 cm then find out the area of circle?
1189 05f06dcd93f7f07047795e47b
5f06dcd93f7f07047795e47b- 1$$ {230cm^2}$$false
- 2$$ {320cm^2}$$false
- 3$$ {616cm^2}$$true
- 4$$ {154cm^2}$$false
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Answer : 3. "$$ {616cm^2}$$"
Q: If the angle of elevation of the Sun changes from 30 ° to 45 °, the length of the shadow of a pillar decreases by 20 meters. The height of the pillar is
919 05f06e099b13c2d244adab3e6
5f06e099b13c2d244adab3e6- 110 ( √3-1 ) mfalse
- 21 ( √3 + 1 ) mtrue
- 320 ( √3-1) mfalse
- 420 (√3 + 1) mfalse
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Answer : 2. "1 ( √3 + 1 ) m"
Q:A bar graph showing the height of six mountain peaks. Study the bar graph and answer the following Questions.
How much percentage is more than Peak A From Peak F?
895 05f06e025b13c2d244adab39a
5f06e025b13c2d244adab39a- 1$$ {26}{4\over13}\%$$false
- 2$$ {26}{2\over13}\%$$true
- 3$$ {26}{8\over13}\%$$false
- 416 %false
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Answer : 2. "$$ {26}{2\over13}\%$$"
Q:A bar graph showing the height of six mountain peaks. Study the bar graph and answer the following Questions.
What is the ratio of the heights of the highest peak and the lowest peak?
907 05f06dfa93f7f07047795f91a
5f06dfa93f7f07047795f91a- 115 : 22false
- 222 : 15true
- 320 : 13false
- 420 : 13false
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