PRISM A prism is a solid shape that is bound on all its sides by plane faces. There are two types of faces in a prism. The top and bottom faces are identical and are called bases. A prism is named after the shape of these bases. For example, if

VERY IMPORTANT: Remember that the weighted average/combined average/mean value is always written in the middle and the averages are written at the top. We write the smaller average/value in the left and greater one in the right. The mean value is subtracted from the value written in the right, and

QUESTIONS ON AVERAGE (PART-3) QUERY 21 The average of marks scored by 35 students is 72. If the marks secured by 1 student were written as 36 instead of 86, find the current average. A) 73 B) 73.43 C) 75 D) 74.25 MAHA GUPTA Total of marks to be increased

QUERY 61 A man bought two baskets full of mangoes for Rs 19.80 and Rs 34.65. Cost of each mango is not less than 24 paise and not greater than 36 paise. The total number of mangoes bought by him is? A) 135 B) 145 C) 155 D) 165 MAHA

MATHS — PRACTICE SET 26 These Practice Sets for Maths are specially designed keeping in view of the pattern that we see in the various competitive exams, especially the Combined Graduate Level Examination (CGLE), SI Delhi Police and CPO Exam, and Grade-II DAAS (except Geometry and Trigonometry)  of the Staff

QUESTIONS ON TRIGONOMETRY (PART-5) Most of these questions are taken from the previous year’s examinations conducted by the Staff Selection Commission (SSC) on Trigonometry (Trigonometric Ratios and Identities) of the Quantitative Aptitude (Maths) section of the following exams as well as other similar exams. They are all solved and supported

MATHS —- PRACTICE SET 25 —- SOLVED These Practice Sets for Maths are specially designed keeping in view of the pattern that we see in the various competitive exams, especially the Combined Graduate Level Examination (CGLE), SI Delhi Police and CPO Exam, and Grade-II DAAS (except Geometry and Trigonometry)  of

MATHS — PRACTICE SET 24 — SOLVED These Practice Sets for Maths are specially designed keeping in view of the pattern that we see in the various competitive exams, especially the Combined Graduate Level Examination (CGLE), SI Delhi Police and CPO Exam, and Grade-II DAAS (except Geometry and Trigonometry)  of

MATHS — PRACTICE SET 23 — SOLVED  These Practice Sets for Maths are specially designed keeping in view of the pattern that we see in the various competitive exams, especially the Combined Graduate Level Examination (CGLE), SI Delhi Police and CPO Exam, and Grade-II DAAS (except Geometry and Trigonometry)  of

QUERY 21 There are five hobby clubs in a college. The gardening group meets every second day, the electronic group meets every third day, the chess group meets every fourth day, the cricket club meets every fifth day and the photography group meets every sixth day. How many times do