Quantitative Aptitude
WXYZ is a quadrilateral in which XQ and ZP are perpendicular to WY such that XQ = ZP. Diagonals ZX and WY intersect each other at point O. If OX = 12 cm, then find the value of ZX (in cm).
The area of a parallelogram with base 26 cm and height 18 cm is:
R is a point outside a circle and is 18 cm away from its centre. A secant drawn from the point R intersects the circle at points A and B in such a way that RA = 7 cm and AB = 5 cm. The radius of the circle (in cm) is:
The value of the expression sin x + cosec x=2, then the value of sin7 x + cosec7 x is ?
The marks of 6 students are given. All the marks are out of 100.
| Student | English | Hindi | Maths | Physics | Chemistry | Biology |
| A | 70 | 60 | 99 | 80 | 80 | 75 |
| B | 75 | 65 | 85 | 75 | 75 | 70 |
| C | 80 | 80 | 70 | 60 | 70 | 60 |
| D | 72 | 63 | 65 | 70 | 60 | 60 |
| E | 70 | 60 | 60 | 60 | 55 | 55 |
| F | 60 | 60 | 70 | 70 | 60 | 50 |
Find the percentage of C.
The following table shows the sales during two seasons of a company. Study the table and answer the questions.
| Sales in summer season (in ₹) | Sales in winter season (in ₹) | ||||
| May | June | July | November | December | January |
| 25,000 | 24,000 | 18,000 | 35,000 | 26,000 | 22,000 |
What is the percentage share of sales during months of June and July to the total sales?
In a family, the combined age of husband,wife and son is 90 years. The husband is the oldest. The difference in the ages of the husband and wife is \( \frac{1}{3} \) the afe of their son. After 10 years, the ag of the son would be half the age of his father. What is the present age of his mother?
If \(\left(a + \frac{1}{a}\right) = 7\sqrt{3}\), then what is the value of \((a^{6} + a^{-6})?\)
The table given below shows the marks obtained by four students in 4 different subjects. Maximum marks for each subject is 175.
| Student | Subject | |||
| Mathematics | Physics | Chemistry | English | |
| Amit | 105 | 98 | 109 | 86 |
| Gunja | 112 | 119 | 99 | 97 |
| Arpit | 103 | 121 | 94 | 100 |
| Kavya | 108 | 102 | 104 | 120 |
What is the aggregate percentage of marks obtained by Gunja in all the four subjects?
What number should be subtracted from x3-4x2-8x+11 to make the number divisible by (x+2)?