1 inch is equal to__________?
1 inch is equal to__________?
A. 2.4 cm
B. 2.5 cm
C. 2.54 cm
D. None
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Find the roots of quadratic equation: 3×2 – 7x – 6 = 0?
Find the roots of quadratic equation: 3×2 – 7x – 6 = 0?A. -6, 3
B. 3, -2/3
C. -5, 2
D. -9, 2
3×2 – 9x + 2x – 6 = 0
3x(x – 3) + 2(x – 3) = 0
(x – 3)(3x + 2) = 0 => x = 3, -2/3A committee has 5 men and 6 women. What are the number of ways of selecting 2 men and 3 women from the given committee?
A committee has 5 men and 6 women. What are the number of ways of selecting 2 men and 3 women from the given committee?A. 150
B. 200
C. 250
D. 300
Explanation:
The number of ways to select two men and three women = ⁵C₂ * ⁶C₃
= (5 *4 )/(2 * 1) * (6 * 5 * 4)/(3 * 2)
= 200(84 ÷ 14 ÷ 2 ÷ 9) * ? = 33⅓
(84 ÷ 14 ÷ 2 ÷ 9) * ? = 33⅓A. 100
B. 300
C. 90,000
D. 10,000
Explanation:
(84 ÷ 14 ÷ 2 ÷ 9) * ? = 33⅓
=> (6 ÷ 2 ÷ 9) * ? = 100 / 3
=> 3 / 9 * ? = 100 / 3
=> ? = 100In a company, 60% of the employees are men, of this 40 % are drawing more than Rs. 50000 per year. 36% of the total employees of the company draw more than Rs.50000 per year then what is the percentage of women who are drawing less than Rs. 5000 per year?
In a company, 60% of the employees are men, of this 40 % are drawing more than Rs. 50000 per year. 36% of the total employees of the company draw more than Rs.50000 per year then what is the percentage of women who are drawing less than Rs. 5000 per year?A. 70%
B. 60%
C. 40%
D. 30%
Explanation:
Total number of employees be 100
Then number of men = 6000/100 = 60
Number of women = 4000/100 = 40
Therefore, number of men drawing more than Rs. 50000 = 2400/100 = 24 men
Since the number of total employees drawing more than Rs. 50000 = 3600/100 = 36
Number of women who draw more than Rs. 50000 = 36- 24 = 12
Number of women who draw less than Rs. 50000 = 40 -12 = 28
Therefore, Percentage of the women who draw less than Rs. 50000 per year = 28/40 x 100% = 70%A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. The cast of flooring the verandah at the rate of Rs 3.50 per sq. Meter is__________?
A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. The cast of flooring the verandah at the rate of Rs 3.50 per sq. Meter is__________?A. Rs.500
B. Rs. 600
C. Rs. 700
D. Rs. 80079.98 / 12.51 * 2.49 = ______?
79.98 / 12.51 * 2.49 = ______?A. 12
B. 14
C. 16
D. 18
Explanation:
80 / 12.5 * 2.5 = ?
=> ? = 6.4 * 2.5 = 16