Math Day Competition (G9 Al Tamayoz )

0.0085 as scientific notation is 

125  x  10 ^-2  as a basic numeral is 

The answer of ( 2.1 × 10 ³ ) + ( 2.6 × 10 ⁴ ) as a scientific notation is

A man is paid Dh16.75 an hour for a 42 hour week , his weekly wage is 

A man works a 35 hour week for an hourly rate of Dh20.5 plus an extra allowance of 75 fils per hour , his total wage is :

A woman is paid a salary of Dh39133.5 per year , his weekly wage is ( one year = 52.178 weeks )

Arrange in descending order ( from largest to smallest ) :                    1.8 x 10 ⁰        ,             1.08 x 10 ^{- 1}           ,           1.8 x 10            ,    1.88 x 10 ^{- 1}                   

The commission of 8% paid on sales of  Dh3000 is 

 A man works in a supermarket on a casual basis . He is paid Dh15.60 an hour from Sunday to Thursday and Dh20.5 an hour                     on Friday . Find his week's income if he works from 3:30pm till 5:30pm , Sunday to Thursday and from 8:30am till 1:00pm                      on Friday .        يعمل رجل في متجر ويدفع له 15.60 درهم في الساعة من الأحد إلى الخميس من الساعة 3:30 مساء إلى 5:30 مساء ويدفع له في يوم الجمعة 20.8 درهم من الساعة 8:30                        صباحاً  إلى 1:00 مساء ( بعد الظهر ) ، أوجد الدخل الأسبوعي للرجل .

Ahmed receives Dh18.5 per hour for the first 7 hours , and time and – a – half for next hours , if Ahmed works 12 hours he                       receives : 

An item its price : ' Was Dh120 , now Dh78 , the reduction as a percentage of the original price is 

Which is the least expensive , Red label tea costs Dh7.8 for 936 g or Lipton tea costs Dh9.5 for 1425 g .            أيهما الأرخص شاي ريد ليبل سعر 936 جرام يساوي 7.8 درهم أو شاي ليبتون سعر 1425 جرام يساوي 9.5 درهم .

For 12 tins of tuna at Dh3.95 , I paid 

Calculate the final price if successive discounts of 20% and 10% were applied to a price of Dh250            احسب السعر النهائي بعد تخفيض متتالي ( تخفيضين متتابعين ) بنسبة   20%   و   10%  لسلعة سعرها 250 درهم 

Hamad was given a 25% discount , if the price of an item is Dh85 , he is paid

Ahmed is paid Dh25 for an item , he given a discount of 20% , the original price was 

The price of a chess set is Dh240 , Ali is paid Dh180 , the percentage of discount is 

The simple interest for Dh4900 at 8% pa for 4 years is :   ( I=PRT )

 Mustafa wants to buy a tent with a marked price of Dh1200 . He wants to pay it on terms .                      how much the interest charged if he pays deposit Dh200 and monthly payment of Dh54.5 for two years .          يرغب مصطفى في شراء خيمة سعرها 1200 درهم ، وسيدفع اقساط شهرية ،  وكم الفائدة ؟ إذا دفع مقدم 200 درهم وقسط  شهري 54.5 درهم         ولمدة سنتين .

The simple interest rate for Dh2500 to earn Dh750 interest for 3 years