Q.13411·Miscellaneous·2013·EasyIn a frequency distribution having class intervals 0 – 10, 10 – 20, 20 – 30 and 30 – 40, the respective frequencies are x, x + 8, x – 2 and x – 4 and the arithmetic mean of the distribution is 17.8. The value of x isView question
Q.13412·Miscellaneous·2013·EasyThe average weight of a class of 15 boys and 10 girls is 38.4 kg. If the average weight of the boys is 40 kg, then what is the average weight of the girls ?View question
Q.13413·Miscellaneous·2013·EasyWhich of the following are the examples of discrete variables ? 1. Number of errors per page in a book. 2. Height of individuals measured in cm. 3. Waiting time to failure of electric bulbs. 4. Number of leaves on branches of a tree. Select the correct answer using the code given below :View question
Q.13414·Miscellaneous·2013·EasyIn this question there has a word has been underlined/italic followed by words listed (a), (b), (c) and (d). Choose the appropriate word most opposite in meaning to the underlined/italic word and mark your Answer Sheet accordingly. This is a trivial matter.View question
Q.13415·Miscellaneous·2013·EasyThe mean of 7 observations is 7. If each observation is increased by 2, then the new mean isView question
Q.13416·Miscellaneous·2013·EasyConsider the following statements : 1. The tangent of a circle is a line that meets the circle in one and only one point. 2. The tangent of a circle at the end point of the diameter is perpendicular to the diameter. Which of the above statements is/are correct ?View question
Q.13417·Miscellaneous·2013·EasyIn the figure given above, ABCD is a trapezium. EF is parallel to AD and BC. Angle y is equal toView question
Q.13418·Miscellaneous·2013·EasyConsider a circle with centre at O and radius r. Points A and B lie on its circumference and a point M lies outside of it such that M, A and O lie on the same straight line. Then the ratio of MA to MB isView question
Q.13419·Miscellaneous·2013·EasyABC is a right-angled triangle such that AB = a, BC = a and CA = a + b. D is a point on BC such that BD ~ AB. The ratio of BD : DC for any value of a and b is given byView question
Q.13420·Miscellaneous·2013·EasyIn the figure given above, the area of rectangle ABCD is 100 square cm, O is any point on AB and CD = 20 cm. Then the area of triangle COD isView question
Q.13421·Miscellaneous·2013·EasyIn the figure given above, PQRS is a parallelogram. If AP, AQ, CR, CS are bisectors of ∠P, ∠Q, ∠R and ∠S respectively, then ABCD is aView question
Q.13422·Miscellaneous·2013·EasyABCD is a trapezium with parallel sides AB = 2 cm and DC = 3 cm. E and F are the mid-points of the non-parallel sides. The ratio of area of ABFE to area of EFCD isView question
Q.13423·Miscellaneous·2013·EasyPipe A can fill a tank in 10 minutes and pipe B can empty it in 15 minutes. If both the pipes are opened in an empty tank, the time taken to make it full isView question
Q.13424·Miscellaneous·2013·EasyThere are 45 male and 15 female employees in an office. If the mean salary of the 60 employees is ₹4,800 and the mean salary of the male employees is ₹5,000, then the mean salary of the female employee isView question
Q.13425·Miscellaneous·2013·EasyIf the arms of one angle are respectively parallel to the arms of another angle, then the two angles areView question
Q.13426·Miscellaneous·2013·EasyA swimming pool 70 m long, 44 m wide and 3 m deep is filled by water flowing from a pipe at the rate of 30,800 cm³ per second. The time taken to fill the swimming pool isView question
Q.13427·Miscellaneous·2013·EasyWhat is the quantity of cloth required to roll up to form a right circular tent whose base is of radius 12 m and height 5 m?View question
Q.13428·Miscellaneous·2013·EasyEach side of an equilateral triangle is 6 cm. Its altitude isView question