The blood groups of 30 students of class VIII are recorded


2

172

April 12, 2019

Eleven bags of wheat flour, each marked 5 kg, actually contained the following weights of flour


2

256

April 12, 2019

Activity : Ask all the students in your class to write a 3digit number


2

456

April 10, 2019

Activity: Note the frequency of twowheelers, threewheelers and fourwheelers going past


2

393

April 10, 2019

The distance (in km) of 40 engineers from their residence to their place of work were found


2

110

April 10, 2019

To know the opinion of the students about the subject statistics, a survey of 200 students


2

162

April 10, 2019

A teacher wanted to analyse the performance of two sections of students in a mathematics test


2

296

April 10, 2019

An organisation selected 2400 families at random and surveyed them to determine


2

319

April 10, 2019

Three coins are tossed simultaneously 200 times with the following frequencies


2

419

April 10, 2019

In a particular section of class IX, 40 students were asked about the month of their birth


2

231

April 10, 2019

1500 families with 2 children were selected randomly, and the following data were recorded


2

428

April 10, 2019

In a cricket match, a batswoman hits a boundary 6 times out of 30 balls she plays


2

156

April 10, 2019

A jar contains 24 marbles, some are green and others are blue. If a marble is drawn


2

409

April 1, 2019

A box contains 12 balls out of which x are black. If one ball is drawn at random from the box,


2

225

April 1, 2019

A bag contains 5 red balls and some blue balls. If the probability of drawing


2

184

April 1, 2019

A die is numbered in such a way that its faces show the number 1, 2, 2, 3, 3, 6


2

1025

April 1, 2019

Two customers Shyam and Ekta are visiting a particular shop in the same week


2

325

April 1, 2019

Which of the following arguments are correct and which are not correct?


2

316

April 1, 2019

A die is thrown twice. What is the probability that


2

239

April 1, 2019

A game consists of tossing a one rupee coin 3 times and noting its outcome each time


2

469

April 1, 2019

Two dice, one blue and one grey, are thrown at the same time. Now


2

284

April 1, 2019

A lot consists of 144 ball pens of which 20 are defective and the others are good


2

616

April 1, 2019

Suppose you drop a die at random on the rectangular region shown in the figure


2

565

April 1, 2019

A child has a die whose six faces show the letters as given below:


2

158

April 1, 2019

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn


2

508

April 1, 2019

(i) A lot of 20 bulbs contain 4 defective ones. One bulb is drawn at random from the lot


2

319

April 1, 2019

12 defective pens are accidentally mixed with 132 good ones. It is not possible


2

193

April 1, 2019

Five cards – the ten, jack, queen, king and ace of diamonds,


2

225

April 1, 2019

One card is drawn from a wellshuffled deck of 52 cards. Find the probability of getting


2

302

April 1, 2019

A die is thrown once. Find the probability of getting


2

379

April 1, 2019
