## Important Questions Mathematics for competitions

*Important Questions*

*Mathematics**An ogive in used to determine*

*(a) mean (b) median (c) mode (d) none of these .*

*2 In a ∆ABC,D and E are points on the sides AB and AC respectively such that DE//BC .If AD=2.5cm, BD=3.0 cm and AE = 3.75cm, then AC =*

*(a) 7.25 cm b) 8.25 cm (c) 8.75 cm (d) none*

*3*

*If the sum of ages of father and his son is 65 years and twice the difference of their ages is 50 years, then age of father is*

*(a) 45 (b) 40 (c) 50 (d) 155*

*4 If the length of the corresponding sides BC and QR of two similar triangles ABC and PQR are respectively 6cm and 10cm, then the ratio of the areas of ∆ABC and ∆PQR is*

*(a) 3:5 (b) 9:25 (c) 25:9 (d) 5:3*

*5.*

*The average of 11 results is 50. If the average of the first six result is 49 and that of the last six is 52, then the sixth result is*

*(a) 53 (b) 54 (c) 55 (d) 56*

*To get more questions download this file...............*

**Topic related to polytechnic entrance exam**

Algebric-formulas sheet

Basic-trigonometry-identities

parallelograms properties

triangles-and-its-type-and-properties

logarithmic-functions

analytic-trigonometry-double-angle-half angle

quadratic-equation-mcq-for-polytechnic

circle-mcq-for-polytechnic-entrance

important-questions-mathematics

cell-fundamental-unit-of-life

periodic-classification-of-elements

Theorems-of-triangles

circle-theorem

light-reflection-refraction-objectives

polytechnic-entrance-test-science

polytechnic-entrance-test-mathematics

force-pressure-and-friction

sound

surface-area-and-volume

trignometry-solved-questions

some-important-chemical-compounds

light-objective-test

science-questions

## 0 comments:

## Post a comment