If x^{4} + 1/x^{4} = 2, where x is a natural number, find the value of 7x^{3} + 5x^{2} – 7x – 2.
Correct
Incorrect
Question 7 of 10
7. Question
What would be the perimeter of the equilateral triangle AOB if the length of segment BC is one-third of DE?
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Incorrect
Question 8 of 10
8. Question
If a trader sells his equipments at a profit of 30%, what is the price at which he sold the equipments given that the profit earned by him is Rs.4500?
Correct
Let the CP be x.
SP = 1.3x
0.3x = 4500, x = Rs.15000
SP = 1.3 × 15000 = Rs.19500
Hence, option d.
Incorrect
Let the CP be x.
SP = 1.3x
0.3x = 4500, x = Rs.15000
SP = 1.3 × 15000 = Rs.19500
Hence, option d.
Question 9 of 10
9. Question
Two trains with the ratio of their length 5: 7 are travelling on parallel tracks in the same direction with the speed 79 kmph and 61 kmph respectively. If one train crosses the other in 48 seconds, calculate the length of the smaller train.
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Incorrect
Question 10 of 10
10. Question
Calculate the least number which when divided by 4, 6, 11, and 14 leaves a remainder of 5.
Correct
The least number would be LCM of 4, 6, 11, and 14, and to obtain 5 as remainder each time, we will add 5 to the LCM
LCM of 4, 6, 11, 12, 14 = 924
Required number = 924 + 5 = 929
Hence, option b.
Incorrect
The least number would be LCM of 4, 6, 11, and 14, and to obtain 5 as remainder each time, we will add 5 to the LCM
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Thanks for posting, I really appreciate your work. I think this along with https://www.puzznbuzz.com/online-verbal-ability is the best content available on Verbal ability quiz on internet.