by Talha khan | May 7, 2020 | Uncategorized

An exam has three sections Section I, Section II and Section III. Each section has exactly 20 questions.For each question in Section I, three marks were awarded for every correct answer, while one mark was deducted for every wrong answer.For each question in Section...
by Talha khan | May 5, 2020 | Uncategorized

Ravi, a fruit merchant, purchased and sold a certain number of apples on ten days Day 1 through Day 10. The cost at which he purchased each apple and the price at which he sold each apple did not change from one day to the next. He sold all the apples that he...
by Talha khan | Apr 30, 2020 | Uncategorized

International Science Conference-2017 was organized at Chicago in May 2017. In the conference, researchers from four different continents, namely Americas, Europe, Asia and Australia participated. Each researcher presented his/her research on exactly one of the four...
by Talha khan | Apr 29, 2020 | Uncategorized

A company administers a written test comprising of three sections of 20 marks each — Data Interpretation (DI), Written English (WE) and General Awareness (GA), for recruitment. A composite score for a candidate (out of 80) is calculated by doubling her marks in DI and...
by Talha khan | Apr 26, 2020 | Uncategorized

In a class of 150 students, students can either choose Electronics or Computer Science or neither (but not both). All students,whether they choose Electronics or Computer Science or neither, have to choose Mathematics. Every student has to choose atleast one subject....
by Talha khan | Apr 24, 2020 | Uncategorized

The following table gives number of students who secured more than 90% of marks in each of the five subjects from class 6 to class 10. The other table below gives number of students in different classes. Q1.The number of students in class 7, who scored more than 90%...