Constable GD for CPO -CPMF (CISF, BSF, ITBP, SSB ) and Delhi Police selected after Objective Questions Exam by SSC. All the details, Study Material PDF, Book, Old question papers area available for free download.
The perimeter of an equilateral triangle is $ 36\sqrt{3} $ cm. Find its height. Options: a) 10 cmb) 18 cmc) 9 cmd) 6 cm Solution: Perimeter of an equilateral triangle = 3 x sides =$ 36\sqrt{3} $side =$ 12\sqrt{3} $ Height of triangle is = $ \frac{\sqrt{3}}{2} \times $side=$ \frac{\sqrt{3}}{2} \times 12\sqrt{3}$= $ 6\sqrt3 \times […]
The perimeter of an equilateral triangle is 36√3 cm. Find its height. Read More »
A train can cross a tunnel of length 600 m in 54 second, and it can cross a 350 m long bridge in 36 second. Which of the following statements is/are correct?(i) The speed of the train is 60 km/h. (ii) The length of the train is 150 m. Options a) Only statement (ii)b) Only
A loss of $ 10\frac12$ % gets converted into a profit of $ 11\frac35$ % when the selling price is increased by Rs 132.60. The cost price (in Rs) of the article is : Solution: Let the Cost Price (CP) = 100a First case: SP = CP- CP x Loss%SP= $ 100a – 100a \times
A nine – digit number 89563x87y is divisible by 72. What is the value of $ \sqrt{7x – 3y}$ ? Options a) 8b) 5c) 6d) 4 Solution As per question 89563x87y is divisible by 72Factor of 72 = 9 x 8The number will be divided by 9 and 8 Divisibility Rule The number is divisible by 8 if
A TV was available for Rs 14,500, The price came down to Rs 11,890 during the Diwali sale. What is the percentage discount? Optionsa) 19.56%b) 19% c) 18% d) 17.6% Solution As per questionActual price of TV = 14500 Rs.Diwali sale price of TV = 11890 Rs.Discount = 14500 – 11890 = 2610Discount % =
Six student, Anima, Rohit, Kiran, Seema, Jaya and Manish, are top six rank holders in a school. The rank of Rohit is between the ranks of Kiran and Seema. Rohit is at the fourth rank. There are two students between the ranks of Jaya and Seema. Jaya is at the lowest rank among all the
In a certain code language, ‘MAGNET’ is written as ‘HFTIJO’. How will’ CULPRIT’ be written in that language? Optionsa) XPQUMNOb) XPGUWDOc) XZGKMNOd) XZOKINO Solution MAGNET = 13 – 1 – 7 – 14 – 5 – 20H F T I J O = 8 – 6 – 20 – 9 – 10 – 15Vowels increase
Study the given pattern carefully and select the number that can replace the question mark (?) in it. 64 12 27216 ? 343512 40 125 Options:a) 42b) 72c) 64d) 95 Solution Row 1 = 64, 12, 27= 43, 12, 33(First Number) $ \frac {1}{3}\times $ (Third Number) $ \frac{1}{3} =$
Study the given pattern 64,12,27; 216, ?,343; 512,40,125 Read More »
Ravali does not have any have brother, Girima is the wife of Arjun. Zakir is the husband of Malavi. Chaya is the daughter of Ravali. Fatima is the daughter of Arjun. Malavi is the Mother of Ravali. Girima is the maternal aunt of Chaya. How is Girima related to Zakir? Optiona) Sister-in-lawb) Sisterc) Daughterd) Daughter-in-law
What is 12% of 4% of 7% of 2 × 106 ? Options a) 386b) 583c) 672d) 121 Solutions As per questions = $ \frac{12}{100} \times \frac{4}{100} \times \frac{7}{100} \times \frac{2 \times10^6}{1}$= $ \frac{12 \times 4 \times 7}{1000000} \times \frac{2 \times 1000000}{1}$= 672 Ans: c) 672