MCQs

Explanation
Five prayers were declared compulsory in the  10th Nabvi. Namaz commanded in  Quran   700 times. Salat was made compulsory at the event of  27 Rajab  ( Miraj ) **** Salat Juma  became  Farz in Madina. Hajj   was made compulsory in  the 09th Hijri. **

Explanation
Hajj is not completed unless you go to Arfat Additional information: The word Hajj means to  intend There are  3 Farz, 10 Sunnat and 6 Wajibat  in Hajj. Hajj was made  compulsory  in 9 A.H. First Hajj is offered in  9 A.H. Hajj was  ordained  in Surah Bakr. The holy prophet  performed  only 1 Hajj in 10th A.H. There are 3 types  of Hajj .

Explanation
Masjid al-Qiblatain is located in Medina . It is where Prophet Muhammad (P.B.U.H) changed the direction of prayer (Qibla) from Masjid al-Aqsa to Masjid al-Haram during the Zuhr prayer. The mosque has two domes and two minarets. It was founded by Sawad ibn Ghanam ibn Ka'ab and first opened in 1987. It is traditionally believed to have been built by Abraham and Ishmael.

Explanation
Total marks of 28 students in Mathematics = 28 x 50 = 1400 New number of students = 28 - 8 = 20 New average of marks in Mathematics = 50 + 5 = 55 ∴ Total marks of 20 students in Mathematics = 20 x 55 = 1100 ∴ Total marks of 8 students who left the school = 1400 - 1100 = 300 ∴ Average marks of these 8 students =  300/8 = 37.5

Explanation
For one digit number 1 to 9 →1 × 9 = 9 For two digit number 10 to 99 → 2 × 90 = 180 For three digit number 100 to 300 →3 × 201 = 603 Hence, total number of required digits = 9 + 180 + 603  =  792

Explanation

Explanation
A complete day i.e 24 hours is 100%. 24 hours = 24 × 60 minutes = 1440 mins 4 hours, 30 mins = 270 mins 1440 mins = 100% of the day 270 mins = ? = 270 × 100 / 1440 = 18.75% 4 hours and 30 minutes is 18.75% of a day.

Explanation
Total age of new players = Total age of replaced players - Total decrease in age of all players  Total age of new players = 17 + 20 - (11 × 2)/12 ⇒ Total age of new players = 37 - (11/6) ⇒ Total age of new players = (222 - 11)/6 ⇒ Total age of new players = 211/6 ⇒ The Average age of two new players = 211/12 ∴ The average age of two new players is 17 years 7 months.

Explanation
The result of the expression 4 3 − 4 2 2 2 4^3 - frac{4^2}{2^2} ​ is 60. ​

Explanation
Paid= 3/5 Remaining = 1 – 3/5 = 2/5 Given conditions : 2/5 x Total amount = 400 ⇒        Total amount = 1000