Each side of a regular hexagon is 3.5cm long. The perimeter of the given polygon is
(a) 17.5cm (b) 21cm (c) 18.3cm (d) 20cm
The decimal expression for 8 rupees 8 paise (in Rupees) is
(a) 8.8 (b) 8.08 (c) 8.008 (d) 88.0
The highest point measured above sea level is the summit of
Mt. Everest which is 8,848m above sea level and the lowest point is
challenger Deep at the bottom of Mariana Trench which is 10911m
below sea level. What is the vertical distance between these two points?
Taking today as zero on the number line, if the day before yesterday is 17 January, what is the date 3 days after tomorrow?
A multistorey building has 25 floors above the ground level each of
height 5m. It also has 3 floors in the basement each of height 5m. A
lift in building moves at a rate of 1m/s. If a man starts from 50m
above the ground, how long will it take him to reach at 2nd floor of
basement?
In a true-false test containing 50 questions, a student is to be awarded
2 marks for every correct answer and –2 for every incorrect answer
and 0 for not supplying any answer. If Yash secured 94 marks in a
test, what are the possibilities of his marking correct or
wrong answer?
In a test, +3 marks are given for every correct answer and –1 mark
are given for every incorrect answer. Sona attempted all the questions
and scored +20 marks though she got 10 correct answers.
(i) How many incorrect answers has she attempted?
(ii) How many questions were given in the test?
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