The ratio of incomes of two persons is 9 : 7 and the ratio of their expenditures is 4 : 3. If each of them manages to save Rs. 2,000 per month, their monthly incomes are
UNIT-10: Elementary Mathematics and General Mental Ability
The discriminant of the quadratic equation is
If cot θ = 7/8 ; value of (1 + sin θ)(1 - sin θ) / (1 + cos θ)(1 - cos θ) is
Angular component of part B in the given figure is
The LCM of two numbers is 2079 and their HCF is 27. If the first number is 189, the second number is
Latika offers a discount of 20% on all the items at her shop and still makes a profit of 12%. Cost price of an article marked at Rs. 280 is
If the diagonals of a parallelogram are perpendicular to each other, then it is a
In a triangle ABC, ∠A = 100° and sides AB and AC are equal. Then value of ∠B is
An observer, 1.5 meter tall is 28.5 meter away from a chimney. The angle of elevation of the top of the chimney from his eyes is 45°. Height of the chimney is
There are 100 students in a hostel. Food provision for them is for 20 days. How long will these provisions last, if 25 more students join the group ?
If the selling price of a cooler is ₹ 11,200 and profit is 12 percent, then the purchase price of the cooler is
The missing number in the sequence 2, 6, 12, ___, 30 is
If two positive numbers are in the ratio 3 : 5 and their least common multiple is 105, then the numbers are respectively
If 3 sin θ = 4 cos θ, then the value of sec θ is
The ratio of the height and shadow of a tower is √3 : 1. Then the angle of elevation from the end point of the shadow top of the tower is (shadow is to be considered at bottom level of the tower)
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